diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/jbd.h | 1047 | ||||
| -rw-r--r-- | include/linux/jbd2.h | 41 | ||||
| -rw-r--r-- | include/linux/jbd_common.h | 46 | ||||
| -rw-r--r-- | include/trace/events/ext3.h | 866 | ||||
| -rw-r--r-- | include/trace/events/jbd.h | 194 |
5 files changed, 40 insertions, 2154 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h deleted file mode 100644 index d32615280be9..000000000000 --- a/include/linux/jbd.h +++ /dev/null @@ -1,1047 +0,0 @@ -/* - * linux/include/linux/jbd.h - * - * Written by Stephen C. Tweedie <sct@redhat.com> - * - * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved - * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. - * - * Definitions for transaction data structures for the buffer cache - * filesystem journaling support. - */ - -#ifndef _LINUX_JBD_H -#define _LINUX_JBD_H - -/* Allow this file to be included directly into e2fsprogs */ -#ifndef __KERNEL__ -#include "jfs_compat.h" -#define JFS_DEBUG -#define jfs_debug jbd_debug -#else - -#include <linux/types.h> -#include <linux/buffer_head.h> -#include <linux/journal-head.h> -#include <linux/stddef.h> -#include <linux/mutex.h> -#include <linux/timer.h> -#include <linux/lockdep.h> -#include <linux/slab.h> - -#define journal_oom_retry 1 - -/* - * Define JBD_PARANOID_IOFAIL to cause a kernel BUG() if ext3 finds - * certain classes of error which can occur due to failed IOs. Under - * normal use we want ext3 to continue after such errors, because - * hardware _can_ fail, but for debugging purposes when running tests on - * known-good hardware we may want to trap these errors. - */ -#undef JBD_PARANOID_IOFAIL - -/* - * The default maximum commit age, in seconds. - */ -#define JBD_DEFAULT_MAX_COMMIT_AGE 5 - -#ifdef CONFIG_JBD_DEBUG -/* - * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal - * consistency checks. By default we don't do this unless - * CONFIG_JBD_DEBUG is on. - */ -#define JBD_EXPENSIVE_CHECKING -extern u8 journal_enable_debug; - -void __jbd_debug(int level, const char *file, const char *func, - unsigned int line, const char *fmt, ...); - -#define jbd_debug(n, fmt, a...) \ - __jbd_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a) -#else -#define jbd_debug(n, fmt, a...) /**/ -#endif - -static inline void *jbd_alloc(size_t size, gfp_t flags) -{ - return (void *)__get_free_pages(flags, get_order(size)); -} - -static inline void jbd_free(void *ptr, size_t size) -{ - free_pages((unsigned long)ptr, get_order(size)); -} - -#define JFS_MIN_JOURNAL_BLOCKS 1024 - - -/** - * typedef handle_t - The handle_t type represents a single atomic update being performed by some process. - * - * All filesystem modifications made by the process go - * through this handle. Recursive operations (such as quota operations) - * are gathered into a single update. - * - * The buffer credits field is used to account for journaled buffers - * being modified by the running process. To ensure that there is - * enough log space for all outstanding operations, we need to limit the - * number of outstanding buffers possible at any time. When the - * operation completes, any buffer credits not used are credited back to - * the transaction, so that at all times we know how many buffers the - * outstanding updates on a transaction might possibly touch. - * - * This is an opaque datatype. - **/ -typedef struct handle_s handle_t; /* Atomic operation type */ - - -/** - * typedef journal_t - The journal_t maintains all of the journaling state information for a single filesystem. - * - * journal_t is linked to from the fs superblock structure. - * - * We use the journal_t to keep track of all outstanding transaction - * activity on the filesystem, and to manage the state of the log - * writing process. - * - * This is an opaque datatype. - **/ -typedef struct journal_s journal_t; /* Journal control structure */ -#endif - -/* - * Internal structures used by the logging mechanism: - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * On-disk structures - */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK_V1 3 -#define JFS_SUPERBLOCK_V2 4 -#define JFS_REVOKE_BLOCK 5 - -/* - * Standard header for all descriptor blocks: - */ -typedef struct journal_header_s -{ - __be32 h_magic; - __be32 h_blocktype; - __be32 h_sequence; -} journal_header_t; - - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __be32 t_blocknr; /* The on-disk block number */ - __be32 t_flags; /* See below */ -} journal_block_tag_t; - -/* - * The revoke descriptor: used on disk to describe a series of blocks to - * be revoked from the log - */ -typedef struct journal_revoke_header_s -{ - journal_header_t r_header; - __be32 r_count; /* Count of bytes used in the block */ -} journal_revoke_header_t; - - -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ - - -/* - * The journal superblock. All fields are in big-endian byte order. - */ -typedef struct journal_superblock_s -{ -/* 0x0000 */ - journal_header_t s_header; - -/* 0x000C */ - /* Static information describing the journal */ - __be32 s_blocksize; /* journal device blocksize */ - __be32 s_maxlen; /* total blocks in journal file */ - __be32 s_first; /* first block of log information */ - -/* 0x0018 */ - /* Dynamic information describing the current state of the log */ - __be32 s_sequence; /* first commit ID expected in log */ - __be32 s_start; /* blocknr of start of log */ - -/* 0x0020 */ - /* Error value, as set by journal_abort(). */ - __be32 s_errno; - -/* 0x0024 */ - /* Remaining fields are only valid in a version-2 superblock */ - __be32 s_feature_compat; /* compatible feature set */ - __be32 s_feature_incompat; /* incompatible feature set */ - __be32 s_feature_ro_compat; /* readonly-compatible feature set */ -/* 0x0030 */ - __u8 s_uuid[16]; /* 128-bit uuid for journal */ - -/* 0x0040 */ - __be32 s_nr_users; /* Nr of filesystems sharing log */ - - __be32 s_dynsuper; /* Blocknr of dynamic superblock copy*/ - -/* 0x0048 */ - __be32 s_max_transaction; /* Limit of journal blocks per trans.*/ - __be32 s_max_trans_data; /* Limit of data blocks per trans. */ - -/* 0x0050 */ - __u32 s_padding[44]; - -/* 0x0100 */ - __u8 s_users[16*48]; /* ids of all fs'es sharing the log */ -/* 0x0400 */ -} journal_superblock_t; - -#define JFS_HAS_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask)))) -#define JFS_HAS_RO_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask)))) -#define JFS_HAS_INCOMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask)))) - -#define JFS_FEATURE_INCOMPAT_REVOKE 0x00000001 - -/* Features known to this kernel version: */ -#define JFS_KNOWN_COMPAT_FEATURES 0 -#define JFS_KNOWN_ROCOMPAT_FEATURES 0 -#define JFS_KNOWN_INCOMPAT_FEATURES JFS_FEATURE_INCOMPAT_REVOKE - -#ifdef __KERNEL__ - -#include <linux/fs.h> -#include <linux/sched.h> - -enum jbd_state_bits { - BH_JBD /* Has an attached ext3 journal_head */ - = BH_PrivateStart, - BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ - BH_Freed, /* Has been freed (truncated) */ - BH_Revoked, /* Has been revoked from the log */ - BH_RevokeValid, /* Revoked flag is valid */ - BH_JBDDirty, /* Is dirty but journaled */ - BH_State, /* Pins most journal_head state */ - BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ - BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ - BH_JBDPrivateStart, /* First bit available for private use by FS */ -}; - -BUFFER_FNS(JBD, jbd) -BUFFER_FNS(JWrite, jwrite) -BUFFER_FNS(JBDDirty, jbddirty) -TAS_BUFFER_FNS(JBDDirty, jbddirty) -BUFFER_FNS(Revoked, revoked) -TAS_BUFFER_FNS(Revoked, revoked) -BUFFER_FNS(RevokeValid, revokevalid) -TAS_BUFFER_FNS(RevokeValid, revokevalid) -BUFFER_FNS(Freed, freed) - -#include <linux/jbd_common.h> - -#define J_ASSERT(assert) BUG_ON(!(assert)) - -#define J_ASSERT_BH(bh, expr) J_ASSERT(expr) -#define J_ASSERT_JH(jh, expr) J_ASSERT(expr) - -#if defined(JBD_PARANOID_IOFAIL) -#define J_EXPECT(expr, why...) J_ASSERT(expr) -#define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr) -#define J_EXPECT_JH(jh, expr, why...) J_ASSERT_JH(jh, expr) -#else -#define __journal_expect(expr, why...) \ - ({ \ - int val = (expr); \ - if (!val) { \ - printk(KERN_ERR \ - "EXT3-fs unexpected failure: %s;\n",# expr); \ - printk(KERN_ERR why "\n"); \ - } \ - val; \ - }) -#define J_EXPECT(expr, why...) __journal_expect(expr, ## why) -#define J_EXPECT_BH(bh, expr, why...) __journal_expect(expr, ## why) -#define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why) -#endif - -struct jbd_revoke_table_s; - -/** - * struct handle_s - this is the concrete type associated with handle_t. - * @h_transaction: Which compound transaction is this update a part of? - * @h_buffer_credits: Number of remaining buffers we are allowed to dirty. - * @h_ref: Reference count on this handle - * @h_err: Field for caller's use to track errors through large fs operations - * @h_sync: flag for sync-on-close - * @h_jdata: flag to force data journaling - * @h_aborted: flag indicating fatal error on handle - * @h_lockdep_map: lockdep info for debugging lock problems - */ -struct handle_s -{ - /* Which compound transaction is this update a part of? */ - transaction_t *h_transaction; - - /* Number of remaining buffers we are allowed to dirty: */ - int h_buffer_credits; - - /* Reference count on this handle */ - int h_ref; - - /* Field for caller's use to track errors through large fs */ - /* operations */ - int h_err; - - /* Flags [no locking] */ - unsigned int h_sync: 1; /* sync-on-close */ - unsigned int h_jdata: 1; /* force data journaling */ - unsigned int h_aborted: 1; /* fatal error on handle */ - -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map h_lockdep_map; -#endif -}; - - -/* The transaction_t type is the guts of the journaling mechanism. It - * tracks a compound transaction through its various states: - * - * RUNNING: accepting new updates - * LOCKED: Updates still running but we don't accept new ones - * RUNDOWN: Updates are tidying up but have finished requesting - * new buffers to modify (state not used for now) - * FLUSH: All updates complete, but we are still writing to disk - * COMMIT: All data on disk, writing commit record - * FINISHED: We still have to keep the transaction for checkpointing. - * - * The transaction keeps track of all of the buffers modified by a - * running transaction, and all of the buffers committed but not yet - * flushed to home for finished transactions. - */ - -/* - * Lock ranking: - * - * j_list_lock - * ->jbd_lock_bh_journal_head() (This is "innermost") - * - * j_state_lock - * ->jbd_lock_bh_state() - * - * jbd_lock_bh_state() - * ->j_list_lock - * - * j_state_lock - * ->t_handle_lock - * - * j_state_lock - * ->j_list_lock (journal_unmap_buffer) - * - */ - -struct transaction_s -{ - /* Pointer to the journal for this transaction. [no locking] */ - journal_t *t_journal; - - /* Sequence number for this transaction [no locking] */ - tid_t t_tid; - - /* - * Transaction's current state - * [no locking - only kjournald alters this] - * [j_list_lock] guards transition of a transaction into T_FINISHED - * state and subsequent call of __journal_drop_transaction() - * FIXME: needs barriers - * KLUDGE: [use j_state_lock] - */ - enum { - T_RUNNING, - T_LOCKED, - T_FLUSH, - T_COMMIT, - T_COMMIT_RECORD, - T_FINISHED - } t_state; - - /* - * Where in the log does this transaction's commit start? [no locking] - */ - unsigned int t_log_start; - - /* Number of buffers on the t_buffers list [j_list_lock] */ - int t_nr_buffers; - - /* - * Doubly-linked circular list of all buffers reserved but not yet - * modified by this transaction [j_list_lock] - */ - struct journal_head *t_reserved_list; - - /* - * Doubly-linked circular list of all buffers under writeout during - * commit [j_list_lock] - */ - struct journal_head *t_locked_list; - - /* - * Doubly-linked circular list of all metadata buffers owned by this - * transaction [j_list_lock] - */ - struct journal_head *t_buffers; - - /* - * Doubly-linked circular list of all data buffers still to be - * flushed before this transaction can be committed [j_list_lock] - */ - struct journal_head *t_sync_datalist; - - /* - * Doubly-linked circular list of all forget buffers (superseded - * buffers which we can un-checkpoint once this transaction commits) - * [j_list_lock] - */ - struct journal_head *t_forget; - - /* - * Doubly-linked circular list of all buffers still to be flushed before - * this transaction can be checkpointed. [j_list_lock] - */ - struct journal_head *t_checkpoint_list; - - /* - * Doubly-linked circular list of all buffers submitted for IO while - * checkpointing. [j_list_lock] - */ - struct journal_head *t_checkpoint_io_list; - - /* - * Doubly-linked circular list of temporary buffers currently undergoing - * IO in the log [j_list_lock] - */ - struct journal_head *t_iobuf_list; - - /* - * Doubly-linked circular list of metadata buffers being shadowed by log - * IO. The IO buffers on the iobuf list and the shadow buffers on this - * list match each other one for one at all times. [j_list_lock] - */ - struct journal_head *t_shadow_list; - - /* - * Doubly-linked circular list of control buffers being written to the - * log. [j_list_lock] - */ - struct journal_head *t_log_list; - - /* - * Protects info related to handles - */ - spinlock_t t_handle_lock; - - /* - * Number of outstanding updates running on this transaction - * [t_handle_lock] - */ - int t_updates; - - /* - * Number of buffers reserved for use by all handles in this transaction - * handle but not yet modified. [t_handle_lock] - */ - int t_outstanding_credits; - - /* - * Forward and backward links for the circular list of all transactions - * awaiting checkpoint. [j_list_lock] - */ - transaction_t *t_cpnext, *t_cpprev; - - /* - * When will the transaction expire (become due for commit), in jiffies? - * [no locking] - */ - unsigned long t_expires; - - /* - * When this transaction started, in nanoseconds [no locking] - */ - ktime_t t_start_time; - - /* - * How many handles used this transaction? [t_handle_lock] - */ - int t_handle_count; -}; - -/** - * struct journal_s - this is the concrete type associated with journal_t. - * @j_flags: General journaling state flags - * @j_errno: Is there an outstanding uncleared error on the journal (from a - * prior abort)? - * @j_sb_buffer: First part of superblock buffer - * @j_superblock: Second part of superblock buffer - * @j_format_version: Version of the superblock format - * @j_state_lock: Protect the various scalars in the journal - * @j_barrier_count: Number of processes waiting to create a barrier lock - * @j_running_transaction: The current running transaction.. - * @j_committing_transaction: the transaction we are pushing to disk - * @j_checkpoint_transactions: a linked circular list of all transactions - * waiting for checkpointing - * @j_wait_transaction_locked: Wait queue for waiting for a locked transaction - * to start committing, or for a barrier lock to be released - * @j_wait_logspace: Wait queue for waiting for checkpointing to complete - * @j_wait_done_commit: Wait queue for waiting for commit to complete - * @j_wait_checkpoint: Wait queue to trigger checkpointing - * @j_wait_commit: Wait queue to trigger commit - * @j_wait_updates: Wait queue to wait for updates to complete - * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints - * @j_head: Journal head - identifies the first unused block in the journal - * @j_tail: Journal tail - identifies the oldest still-used block in the - * journal. - * @j_free: Journal free - how many free blocks are there in the journal? - * @j_first: The block number of the first usable block - * @j_last: The block number one beyond the last usable block - * @j_dev: Device where we store the journal - * @j_blocksize: blocksize for the location where we store the journal. - * @j_blk_offset: starting block offset for into the device where we store the - * journal - * @j_fs_dev: Device which holds the client fs. For internal journal this will - * be equal to j_dev - * @j_maxlen: Total maximum capacity of the journal region on disk. - * @j_list_lock: Protects the buffer lists and internal buffer state. - * @j_inode: Optional inode where we store the journal. If present, all journal - * block numbers are mapped into this inode via bmap(). - * @j_tail_sequence: Sequence number of the oldest transaction in the log - * @j_transaction_sequence: Sequence number of the next transaction to grant - * @j_commit_sequence: Sequence number of the most recently committed - * transaction - * @j_commit_request: Sequence number of the most recent transaction wanting - * commit - * @j_commit_waited: Sequence number of the most recent transaction someone - * is waiting for to commit. - * @j_uuid: Uuid of client object. - * @j_task: Pointer to the current commit thread for this journal - * @j_max_transaction_buffers: Maximum number of metadata buffers to allow in a - * single compound commit transaction - * @j_commit_interval: What is the maximum transaction lifetime before we begin - * a commit? - * @j_commit_timer: The timer used to wakeup the commit thread - * @j_revoke_lock: Protect the revoke table - * @j_revoke: The revoke table - maintains the list of revoked blocks in the - * current transaction. - * @j_revoke_table: alternate revoke tables for j_revoke - * @j_wbuf: array of buffer_heads for journal_commit_transaction - * @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the - * number that will fit in j_blocksize - * @j_last_sync_writer: most recent pid which did a synchronous write - * @j_average_commit_time: the average amount of time in nanoseconds it - * takes to commit a transaction to the disk. - * @j_private: An opaque pointer to fs-private information. - */ - -struct journal_s -{ - /* General journaling state flags [j_state_lock] */ - unsigned long j_flags; - - /* - * Is there an outstanding uncleared error on the journal (from a prior - * abort)? [j_state_lock] - */ - int j_errno; - - /* The superblock buffer */ - struct buffer_head *j_sb_buffer; - journal_superblock_t *j_superblock; - - /* Version of the superblock format */ - int j_format_version; - - /* - * Protect the various scalars in the journal - */ - spinlock_t j_state_lock; - - /* - * Number of processes waiting to create a barrier lock [j_state_lock] - */ - int j_barrier_count; - - /* - * Transactions: The current running transaction... - * [j_state_lock] [caller holding open handle] - */ - transaction_t *j_running_transaction; - - /* - * the transaction we are pushing to disk - * [j_state_lock] [caller holding open handle] - */ - transaction_t *j_committing_transaction; - - /* - * ... and a linked circular list of all transactions waiting for - * checkpointing. [j_list_lock] - */ - transaction_t *j_checkpoint_transactions; - - /* - * Wait queue for waiting for a locked transaction to start committing, - * or for a barrier lock to be released - */ - wait_queue_head_t j_wait_transaction_locked; - - /* Wait queue for waiting for checkpointing to complete */ - wait_queue_head_t j_wait_logspace; - - /* Wait queue for waiting for commit to complete */ - wait_queue_head_t j_wait_done_commit; - - /* Wait queue to trigger checkpointing */ - wait_queue_head_t j_wait_checkpoint; - - /* Wait queue to trigger commit */ - wait_queue_head_t j_wait_commit; - - /* Wait queue to wait for updates to complete */ - wait_queue_head_t j_wait_updates; - - /* Semaphore for locking against concurrent checkpoints */ - struct mutex j_checkpoint_mutex; - - /* - * Journal head: identifies the first unused block in the journal. - * [j_state_lock] - */ - unsigned int j_head; - - /* - * Journal tail: identifies the oldest still-used block in the journal. - * [j_state_lock] - */ - unsigned int j_tail; - - /* - * Journal free: how many free blocks are there in the journal? - * [j_state_lock] - */ - unsigned int j_free; - - /* - * Journal start and end: the block numbers of the first usable block - * and one beyond the last usable block in the journal. [j_state_lock] - */ - unsigned int j_first; - unsigned int j_last; - - /* - * Device, blocksize and starting block offset for the location where we - * store the journal. - */ - struct block_device *j_dev; - int j_blocksize; - unsigned int j_blk_offset; - - /* - * Device which holds the client fs. For internal journal this will be - * equal to j_dev. - */ - struct block_device *j_fs_dev; - - /* Total maximum capacity of the journal region on disk. */ - unsigned int j_maxlen; - - /* - * Protects the buffer lists and internal buffer state. - */ - spinlock_t j_list_lock; - - /* Optional inode where we store the journal. If present, all */ - /* journal block numbers are mapped into this inode via */ - /* bmap(). */ - struct inode *j_inode; - - /* - * Sequence number of the oldest transaction in the log [j_state_lock] - */ - tid_t j_tail_sequence; - - /* - * Sequence number of the next transaction to grant [j_state_lock] - */ - tid_t j_transaction_sequence; - - /* - * Sequence number of the most recently committed transaction - * [j_state_lock]. - */ - tid_t j_commit_sequence; - - /* - * Sequence number of the most recent transaction wanting commit - * [j_state_lock] - */ - tid_t j_commit_request; - - /* - * Sequence number of the most recent transaction someone is waiting - * for to commit. - * [j_state_lock] - */ - tid_t j_commit_waited; - - /* - * Journal uuid: identifies the object (filesystem, LVM volume etc) - * backed by this journal. This will eventually be replaced by an array - * of uuids, allowing us to index multiple devices within a single - * journal and to perform atomic updates across them. - */ - __u8 j_uuid[16]; - - /* Pointer to the current commit thread for this journal */ - struct task_struct *j_task; - - /* - * Maximum number of metadata buffers to allow in a single compound - * commit transaction - */ - int j_max_transaction_buffers; - - /* - * What is the maximum transaction lifetime before we begin a commit? - */ - unsigned long j_commit_interval; - - /* The timer used to wakeup the commit thread: */ - struct timer_list j_commit_timer; - - /* - * The revoke table: maintains the list of revoked blocks in the - * current transaction. [j_revoke_lock] - */ - spinlock_t j_revoke_lock; - struct jbd_revoke_table_s *j_revoke; - struct jbd_revoke_table_s *j_revoke_table[2]; - - /* - * array of bhs for journal_commit_transaction - */ - struct buffer_head **j_wbuf; - int j_wbufsize; - - /* - * this is the pid of the last person to run a synchronous operation - * through the journal. - */ - pid_t j_last_sync_writer; - - /* - * the average amount of time in nanoseconds it takes to commit a - * transaction to the disk. [j_state_lock] - */ - u64 j_average_commit_time; - - /* - * An opaque pointer to fs-private information. ext3 puts its - * superblock pointer here - */ - void *j_private; -}; - -/* - * Journal flag definitions - */ -#define JFS_UNMOUNT 0x001 /* Journal thread is being destroyed */ -#define JFS_ABORT 0x002 /* Journaling has been aborted for errors. */ -#define JFS_ACK_ERR 0x004 /* The errno in the sb has been acked */ -#define JFS_FLUSHED 0x008 /* The journal superblock has been flushed */ -#define JFS_LOADED 0x010 /* The journal superblock has been loaded */ -#define JFS_BARRIER 0x020 /* Use IDE barriers */ -#define JFS_ABORT_ON_SYNCDATA_ERR 0x040 /* Abort the journal on file - * data write error in ordered - * mode */ - -/* - * Function declarations for the journaling transaction and buffer - * management - */ - -/* Filing buffers */ -extern void journal_unfile_buffer(journal_t *, struct journal_head *); -extern void __journal_unfile_buffer(struct journal_head *); -extern void __journal_refile_buffer(struct journal_head *); -extern void journal_refile_buffer(journal_t *, struct journal_head *); -extern void __journal_file_buffer(struct journal_head *, transaction_t *, int); -extern void __journal_free_buffer(struct journal_head *bh); -extern void journal_file_buffer(struct journal_head *, transaction_t *, int); -extern void __journal_clean_data_list(transaction_t *transaction); - -/* Log buffer allocation */ -extern struct journal_head * journal_get_descriptor_buffer(journal_t *); -int journal_next_log_block(journal_t *, unsigned int *); - -/* Commit management */ -extern void journal_commit_transaction(journal_t *); - -/* Checkpoint list management */ -int __journal_clean_checkpoint_list(journal_t *journal); -int __journal_remove_checkpoint(struct journal_head *); -void __journal_insert_checkpoint(struct journal_head *, transaction_t *); - -/* Buffer IO */ -extern int -journal_write_metadata_buffer(transaction_t *transaction, - struct journal_head *jh_in, - struct journal_head **jh_out, - unsigned int blocknr); - -/* Transaction locking */ -extern void __wait_on_journal (journal_t *); - -/* - * Journal locking. - * - * We need to lock the journal during transaction state changes so that nobody - * ever tries to take a handle on the running transaction while we are in the - * middle of moving it to the commit phase. j_state_lock does this. - * - * Note that the locking is completely interrupt unsafe. We never touch - * journal structures from interrupts. - */ - -static inline handle_t *journal_current_handle(void) -{ - return current->journal_info; -} - -/* The journaling code user interface: - * - * Create and destroy handles - * Register buffer modifications against the current transaction. - */ - -extern handle_t *journal_start(journal_t *, int nblocks); -extern int journal_restart (handle_t *, int nblocks); -extern int journal_extend (handle_t *, int nblocks); -extern int journal_get_write_access(handle_t *, struct buffer_head *); -extern int journal_get_create_access (handle_t *, struct buffer_head *); -extern int journal_get_undo_access(handle_t *, struct buffer_head *); -extern int journal_dirty_data (handle_t *, struct buffer_head *); -extern int journal_dirty_metadata (handle_t *, struct buffer_head *); -extern void journal_release_buffer (handle_t *, struct buffer_head *); -extern int journal_forget (handle_t *, struct buffer_head *); -extern void journal_sync_buffer (struct buffer_head *); -extern void journal_invalidatepage(journal_t *, - struct page *, unsigned int, unsigned int); -extern int journal_try_to_free_buffers(journal_t *, struct page *, gfp_t); -extern int journal_stop(handle_t *); -extern int journal_flush (journal_t *); -extern void journal_lock_updates (journal_t *); -extern void journal_unlock_updates (journal_t *); - -extern journal_t * journal_init_dev(struct block_device *bdev, - struct block_device *fs_dev, - int start, int len, int bsize); -extern journal_t * journal_init_inode (struct inode *); -extern int journal_update_format (journal_t *); -extern int journal_check_used_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_check_available_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_set_features - (journal_t *, unsigned long, unsigned long, unsigned long); -extern int journal_create (journal_t *); -extern int journal_load (journal_t *journal); -extern int journal_destroy (journal_t *); -extern int journal_recover (journal_t *journal); -extern int journal_wipe (journal_t *, int); -extern int journal_skip_recovery (journal_t *); -extern void journal_update_sb_log_tail (journal_t *, tid_t, unsigned int, - int); -extern void journal_abort (journal_t *, int); -extern int journal_errno (journal_t *); -extern void journal_ack_err (journal_t *); -extern int journal_clear_err (journal_t *); -extern int journal_bmap(journal_t *, unsigned int, unsigned int *); -extern int journal_force_commit(journal_t *); - -/* - * journal_head management - */ -struct journal_head *journal_add_journal_head(struct buffer_head *bh); -struct journal_head *journal_grab_journal_head(struct buffer_head *bh); -void journal_put_journal_head(struct journal_head *jh); - -/* - * handle management - */ -extern struct kmem_cache *jbd_handle_cache; - -static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags) -{ - return kmem_cache_zalloc(jbd_handle_cache, gfp_flags); -} - -static inline void jbd_free_handle(handle_t *handle) -{ - kmem_cache_free(jbd_handle_cache, handle); -} - -/* Primary revoke support */ -#define JOURNAL_REVOKE_DEFAULT_HASH 256 -extern int journal_init_revoke(journal_t *, int); -extern void journal_destroy_revoke_caches(void); -extern int journal_init_revoke_caches(void); - -extern void journal_destroy_revoke(journal_t *); -extern int journal_revoke (handle_t *, - unsigned int, struct buffer_head *); -extern int journal_cancel_revoke(handle_t *, struct journal_head *); -extern void journal_write_revoke_records(journal_t *, - transaction_t *, int); - -/* Recovery revoke support */ -extern int journal_set_revoke(journal_t *, unsigned int, tid_t); -extern int journal_test_revoke(journal_t *, unsigned int, tid_t); -extern void journal_clear_revoke(journal_t *); -extern void journal_switch_revoke_table(journal_t *journal); -extern void journal_clear_buffer_revoked_flags(journal_t *journal); - -/* - * The log thread user interface: - * - * Request space in the current transaction, and force transaction commit - * transitions on demand. - */ - -int __log_space_left(journal_t *); /* Called with journal locked */ -int log_start_commit(journal_t *journal, tid_t tid); -int __log_start_commit(journal_t *journal, tid_t tid); -int journal_start_commit(journal_t *journal, tid_t *tid); -int journal_force_commit_nested(journal_t *journal); -int log_wait_commit(journal_t *journal, tid_t tid); -int log_do_checkpoint(journal_t *journal); -int journal_trans_will_send_data_barrier(journal_t *journal, tid_t tid); - -void __log_wait_for_space(journal_t *journal); -extern void __journal_drop_transaction(journal_t *, transaction_t *); -extern int cleanup_journal_tail(journal_t *); - -/* - * is_journal_abort - * - * Simple test wrapper function to test the JFS_ABORT state flag. This - * bit, when set, indicates that we have had a fatal error somewhere, - * either inside the journaling layer or indicated to us by the client - * (eg. ext3), and that we and should not commit any further - * transactions. - */ - -static inline int is_journal_aborted(journal_t *journal) -{ - return journal->j_flags & JFS_ABORT; -} - -static inline int is_handle_aborted(handle_t *handle) -{ - if (handle->h_aborted) - return 1; - return is_journal_aborted(handle->h_transaction->t_journal); -} - -static inline void journal_abort_handle(handle_t *handle) -{ - handle->h_aborted = 1; -} - -#endif /* __KERNEL__ */ - -/* Comparison functions for transaction IDs: perform comparisons using - * modulo arithmetic so that they work over sequence number wraps. */ - -static inline int tid_gt(tid_t x, tid_t y) -{ - int difference = (x - y); - return (difference > 0); -} - -static inline int tid_geq(tid_t x, tid_t y) -{ - int difference = (x - y); - return (difference >= 0); -} - -extern int journal_blocks_per_page(struct inode *inode); - -/* - * Return the minimum number of blocks which must be free in the journal - * before a new transaction may be started. Must be called under j_state_lock. - */ -static inline int jbd_space_needed(journal_t *journal) -{ - int nblocks = journal->j_max_transaction_buffers; - if (journal->j_committing_transaction) - nblocks += journal->j_committing_transaction-> - t_outstanding_credits; - return nblocks; -} - -/* - * Definitions which augment the buffer_head layer - */ - -/* journaling buffer types */ -#define BJ_None 0 /* Not journaled */ -#define BJ_SyncData 1 /* Normal data: flush before commit */ -#define BJ_Metadata 2 /* Normal journaled metadata */ -#define BJ_Forget 3 /* Buffer superseded by this transaction */ -#define BJ_IO 4 /* Buffer is for temporary IO use */ -#define BJ_Shadow 5 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 6 /* Buffer contains log descriptors */ -#define BJ_Reserved 7 /* Buffer is reserved for access by journal */ -#define BJ_Locked 8 /* Locked for I/O during commit */ -#define BJ_Types 9 - -extern int jbd_blocks_per_page(struct inode *inode); - -#ifdef __KERNEL__ - -#define buffer_trace_init(bh) do {} while (0) -#define print_buffer_fields(bh) do {} while (0) -#define print_buffer_trace(bh) do {} while (0) -#define BUFFER_TRACE(bh, info) do {} while (0) -#define BUFFER_TRACE2(bh, bh2, info) do {} while (0) -#define JBUFFER_TRACE(jh, info) do {} while (0) - -#endif /* __KERNEL__ */ - -#endif /* _LINUX_JBD_H */ diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index edb640ae9a94..ad4b28647298 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -29,6 +29,7 @@ #include <linux/mutex.h> #include <linux/timer.h> #include <linux/slab.h> +#include <linux/bit_spinlock.h> #include <crypto/hash.h> #endif @@ -336,7 +337,45 @@ BUFFER_FNS(Freed, freed) BUFFER_FNS(Shadow, shadow) BUFFER_FNS(Verified, verified) -#include <linux/jbd_common.h> +static inline struct buffer_head *jh2bh(struct journal_head *jh) +{ + return jh->b_bh; +} + +static inline struct journal_head *bh2jh(struct buffer_head *bh) +{ + return bh->b_private; +} + +static inline void jbd_lock_bh_state(struct buffer_head *bh) +{ + bit_spin_lock(BH_State, &bh->b_state); +} + +static inline int jbd_trylock_bh_state(struct buffer_head *bh) +{ + return bit_spin_trylock(BH_State, &bh->b_state); +} + +static inline int jbd_is_locked_bh_state(struct buffer_head *bh) +{ + return bit_spin_is_locked(BH_State, &bh->b_state); +} + +static inline void jbd_unlock_bh_state(struct buffer_head *bh) +{ + bit_spin_unlock(BH_State, &bh->b_state); +} + +static inline void jbd_lock_bh_journal_head(struct buffer_head *bh) +{ + bit_spin_lock(BH_JournalHead, &bh->b_state); +} + +static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh) +{ + bit_spin_unlock(BH_JournalHead, &bh->b_state); +} #define J_ASSERT(assert) BUG_ON(!(assert)) diff --git a/include/linux/jbd_common.h b/include/linux/jbd_common.h deleted file mode 100644 index 3dc53432355f..000000000000 --- a/include/linux/jbd_common.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef _LINUX_JBD_STATE_H -#define _LINUX_JBD_STATE_H - -#include <linux/bit_spinlock.h> - -static inline struct buffer_head *jh2bh(struct journal_head *jh) -{ - return jh->b_bh; -} - -static inline struct journal_head *bh2jh(struct buffer_head *bh) -{ - return bh->b_private; -} - -static inline void jbd_lock_bh_state(struct buffer_head *bh) -{ - bit_spin_lock(BH_State, &bh->b_state); -} - -static inline int jbd_trylock_bh_state(struct buffer_head *bh) -{ - return bit_spin_trylock(BH_State, &bh->b_state); -} - -static inline int jbd_is_locked_bh_state(struct buffer_head *bh) -{ - return bit_spin_is_locked(BH_State, &bh->b_state); -} - -static inline void jbd_unlock_bh_state(struct buffer_head *bh) -{ - bit_spin_unlock(BH_State, &bh->b_state); -} - -static inline void jbd_lock_bh_journal_head(struct buffer_head *bh) -{ - bit_spin_lock(BH_JournalHead, &bh->b_state); -} - -static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh) -{ - bit_spin_unlock(BH_JournalHead, &bh->b_state); -} - -#endif diff --git a/include/trace/events/ext3.h b/include/trace/events/ext3.h deleted file mode 100644 index fc733d28117a..000000000000 --- a/include/trace/events/ext3.h +++ /dev/null @@ -1,866 +0,0 @@ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM ext3 - -#if !defined(_TRACE_EXT3_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_EXT3_H - -#include <linux/tracepoint.h> - -TRACE_EVENT(ext3_free_inode, - TP_PROTO(struct inode *inode), - - TP_ARGS(inode), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( umode_t, mode ) - __field( uid_t, uid ) - __field( gid_t, gid ) - __field( blkcnt_t, blocks ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->mode = inode->i_mode; - __entry->uid = i_uid_read(inode); - __entry->gid = i_gid_read(inode); - __entry->blocks = inode->i_blocks; - ), - - TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->mode, __entry->uid, __entry->gid, - (unsigned long) __entry->blocks) -); - -TRACE_EVENT(ext3_request_inode, - TP_PROTO(struct inode *dir, int mode), - - TP_ARGS(dir, mode), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, dir ) - __field( umode_t, mode ) - ), - - TP_fast_assign( - __entry->dev = dir->i_sb->s_dev; - __entry->dir = dir->i_ino; - __entry->mode = mode; - ), - - TP_printk("dev %d,%d dir %lu mode 0%o", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->dir, __entry->mode) -); - -TRACE_EVENT(ext3_allocate_inode, - TP_PROTO(struct inode *inode, struct inode *dir, int mode), - - TP_ARGS(inode, dir, mode), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( ino_t, dir ) - __field( umode_t, mode ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->dir = dir->i_ino; - __entry->mode = mode; - ), - - TP_printk("dev %d,%d ino %lu dir %lu mode 0%o", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long) __entry->dir, __entry->mode) -); - -TRACE_EVENT(ext3_evict_inode, - TP_PROTO(struct inode *inode), - - TP_ARGS(inode), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( int, nlink ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->nlink = inode->i_nlink; - ), - - TP_printk("dev %d,%d ino %lu nlink %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->nlink) -); - -TRACE_EVENT(ext3_drop_inode, - TP_PROTO(struct inode *inode, int drop), - - TP_ARGS(inode, drop), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( int, drop ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->drop = drop; - ), - - TP_printk("dev %d,%d ino %lu drop %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->drop) -); - -TRACE_EVENT(ext3_mark_inode_dirty, - TP_PROTO(struct inode *inode, unsigned long IP), - - TP_ARGS(inode, IP), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field(unsigned long, ip ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->ip = IP; - ), - - TP_printk("dev %d,%d ino %lu caller %pS", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, (void *)__entry->ip) -); - -TRACE_EVENT(ext3_write_begin, - TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, - unsigned int flags), - - TP_ARGS(inode, pos, len, flags), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( loff_t, pos ) - __field( unsigned int, len ) - __field( unsigned int, flags ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->pos = pos; - __entry->len = len; - __entry->flags = flags; - ), - - TP_printk("dev %d,%d ino %lu pos %llu len %u flags %u", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long long) __entry->pos, __entry->len, - __entry->flags) -); - -DECLARE_EVENT_CLASS(ext3__write_end, - TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, - unsigned int copied), - - TP_ARGS(inode, pos, len, copied), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( loff_t, pos ) - __field( unsigned int, len ) - __field( unsigned int, copied ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->pos = pos; - __entry->len = len; - __entry->copied = copied; - ), - - TP_printk("dev %d,%d ino %lu pos %llu len %u copied %u", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long long) __entry->pos, __entry->len, - __entry->copied) -); - -DEFINE_EVENT(ext3__write_end, ext3_ordered_write_end, - - TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, - unsigned int copied), - - TP_ARGS(inode, pos, len, copied) -); - -DEFINE_EVENT(ext3__write_end, ext3_writeback_write_end, - - TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, - unsigned int copied), - - TP_ARGS(inode, pos, len, copied) -); - -DEFINE_EVENT(ext3__write_end, ext3_journalled_write_end, - - TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, - unsigned int copied), - - TP_ARGS(inode, pos, len, copied) -); - -DECLARE_EVENT_CLASS(ext3__page_op, - TP_PROTO(struct page *page), - - TP_ARGS(page), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( pgoff_t, index ) - - ), - - TP_fast_assign( - __entry->index = page->index; - __entry->ino = page->mapping->host->i_ino; - __entry->dev = page->mapping->host->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu page_index %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->index) -); - -DEFINE_EVENT(ext3__page_op, ext3_ordered_writepage, - - TP_PROTO(struct page *page), - - TP_ARGS(page) -); - -DEFINE_EVENT(ext3__page_op, ext3_writeback_writepage, - - TP_PROTO(struct page *page), - - TP_ARGS(page) -); - -DEFINE_EVENT(ext3__page_op, ext3_journalled_writepage, - - TP_PROTO(struct page *page), - - TP_ARGS(page) -); - -DEFINE_EVENT(ext3__page_op, ext3_readpage, - - TP_PROTO(struct page *page), - - TP_ARGS(page) -); - -DEFINE_EVENT(ext3__page_op, ext3_releasepage, - - TP_PROTO(struct page *page), - - TP_ARGS(page) -); - -TRACE_EVENT(ext3_invalidatepage, - TP_PROTO(struct page *page, unsigned int offset, unsigned int length), - - TP_ARGS(page, offset, length), - - TP_STRUCT__entry( - __field( pgoff_t, index ) - __field( unsigned int, offset ) - __field( unsigned int, length ) - __field( ino_t, ino ) - __field( dev_t, dev ) - - ), - - TP_fast_assign( - __entry->index = page->index; - __entry->offset = offset; - __entry->length = length; - __entry->ino = page->mapping->host->i_ino; - __entry->dev = page->mapping->host->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->index, __entry->offset, __entry->length) -); - -TRACE_EVENT(ext3_discard_blocks, - TP_PROTO(struct super_block *sb, unsigned long blk, - unsigned long count), - - TP_ARGS(sb, blk, count), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( unsigned long, blk ) - __field( unsigned long, count ) - - ), - - TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->blk = blk; - __entry->count = count; - ), - - TP_printk("dev %d,%d blk %lu count %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->blk, __entry->count) -); - -TRACE_EVENT(ext3_request_blocks, - TP_PROTO(struct inode *inode, unsigned long goal, - unsigned long count), - - TP_ARGS(inode, goal, count), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( unsigned long, count ) - __field( unsigned long, goal ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->count = count; - __entry->goal = goal; - ), - - TP_printk("dev %d,%d ino %lu count %lu goal %lu ", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->count, __entry->goal) -); - -TRACE_EVENT(ext3_allocate_blocks, - TP_PROTO(struct inode *inode, unsigned long goal, - unsigned long count, unsigned long block), - - TP_ARGS(inode, goal, count, block), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( unsigned long, block ) - __field( unsigned long, count ) - __field( unsigned long, goal ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->block = block; - __entry->count = count; - __entry->goal = goal; - ), - - TP_printk("dev %d,%d ino %lu count %lu block %lu goal %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->count, __entry->block, - __entry->goal) -); - -TRACE_EVENT(ext3_free_blocks, - TP_PROTO(struct inode *inode, unsigned long block, - unsigned long count), - - TP_ARGS(inode, block, count), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( umode_t, mode ) - __field( unsigned long, block ) - __field( unsigned long, count ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->mode = inode->i_mode; - __entry->block = block; - __entry->count = count; - ), - - TP_printk("dev %d,%d ino %lu mode 0%o block %lu count %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->mode, __entry->block, __entry->count) -); - -TRACE_EVENT(ext3_sync_file_enter, - TP_PROTO(struct file *file, int datasync), - - TP_ARGS(file, datasync), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( ino_t, parent ) - __field( int, datasync ) - ), - - TP_fast_assign( - struct dentry *dentry = file->f_path.dentry; - - __entry->dev = d_inode(dentry)->i_sb->s_dev; - __entry->ino = d_inode(dentry)->i_ino; - __entry->datasync = datasync; - __entry->parent = d_inode(dentry->d_parent)->i_ino; - ), - - TP_printk("dev %d,%d ino %lu parent %ld datasync %d ", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long) __entry->parent, __entry->datasync) -); - -TRACE_EVENT(ext3_sync_file_exit, - TP_PROTO(struct inode *inode, int ret), - - TP_ARGS(inode, ret), - - TP_STRUCT__entry( - __field( int, ret ) - __field( ino_t, ino ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->ret = ret; - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu ret %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->ret) -); - -TRACE_EVENT(ext3_sync_fs, - TP_PROTO(struct super_block *sb, int wait), - - TP_ARGS(sb, wait), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, wait ) - - ), - - TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->wait = wait; - ), - - TP_printk("dev %d,%d wait %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->wait) -); - -TRACE_EVENT(ext3_rsv_window_add, - TP_PROTO(struct super_block *sb, - struct ext3_reserve_window_node *rsv_node), - - TP_ARGS(sb, rsv_node), - - TP_STRUCT__entry( - __field( unsigned long, start ) - __field( unsigned long, end ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->start = rsv_node->rsv_window._rsv_start; - __entry->end = rsv_node->rsv_window._rsv_end; - ), - - TP_printk("dev %d,%d start %lu end %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->start, __entry->end) -); - -TRACE_EVENT(ext3_discard_reservation, - TP_PROTO(struct inode *inode, - struct ext3_reserve_window_node *rsv_node), - - TP_ARGS(inode, rsv_node), - - TP_STRUCT__entry( - __field( unsigned long, start ) - __field( unsigned long, end ) - __field( ino_t, ino ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->start = rsv_node->rsv_window._rsv_start; - __entry->end = rsv_node->rsv_window._rsv_end; - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu start %lu end %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long)__entry->ino, __entry->start, - __entry->end) -); - -TRACE_EVENT(ext3_alloc_new_reservation, - TP_PROTO(struct super_block *sb, unsigned long goal), - - TP_ARGS(sb, goal), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( unsigned long, goal ) - ), - - TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->goal = goal; - ), - - TP_printk("dev %d,%d goal %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->goal) -); - -TRACE_EVENT(ext3_reserved, - TP_PROTO(struct super_block *sb, unsigned long block, - struct ext3_reserve_window_node *rsv_node), - - TP_ARGS(sb, block, rsv_node), - - TP_STRUCT__entry( - __field( unsigned long, block ) - __field( unsigned long, start ) - __field( unsigned long, end ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->block = block; - __entry->start = rsv_node->rsv_window._rsv_start; - __entry->end = rsv_node->rsv_window._rsv_end; - __entry->dev = sb->s_dev; - ), - - TP_printk("dev %d,%d block %lu, start %lu end %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->block, __entry->start, __entry->end) -); - -TRACE_EVENT(ext3_forget, - TP_PROTO(struct inode *inode, int is_metadata, unsigned long block), - - TP_ARGS(inode, is_metadata, block), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( ino_t, ino ) - __field( umode_t, mode ) - __field( int, is_metadata ) - __field( unsigned long, block ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->ino = inode->i_ino; - __entry->mode = inode->i_mode; - __entry->is_metadata = is_metadata; - __entry->block = block; - ), - - TP_printk("dev %d,%d ino %lu mode 0%o is_metadata %d block %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->mode, __entry->is_metadata, __entry->block) -); - -TRACE_EVENT(ext3_read_block_bitmap, - TP_PROTO(struct super_block *sb, unsigned int group), - - TP_ARGS(sb, group), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( __u32, group ) - - ), - - TP_fast_assign( - __entry->dev = sb->s_dev; - __entry->group = group; - ), - - TP_printk("dev %d,%d group %u", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->group) -); - -TRACE_EVENT(ext3_direct_IO_enter, - TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw), - - TP_ARGS(inode, offset, len, rw), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( loff_t, pos ) - __field( unsigned long, len ) - __field( int, rw ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - __entry->pos = offset; - __entry->len = len; - __entry->rw = rw; - ), - - TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long long) __entry->pos, __entry->len, - __entry->rw) -); - -TRACE_EVENT(ext3_direct_IO_exit, - TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, - int rw, int ret), - - TP_ARGS(inode, offset, len, rw, ret), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( loff_t, pos ) - __field( unsigned long, len ) - __field( int, rw ) - __field( int, ret ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - __entry->pos = offset; - __entry->len = len; - __entry->rw = rw; - __entry->ret = ret; - ), - - TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d ret %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long long) __entry->pos, __entry->len, - __entry->rw, __entry->ret) -); - -TRACE_EVENT(ext3_unlink_enter, - TP_PROTO(struct inode *parent, struct dentry *dentry), - - TP_ARGS(parent, dentry), - - TP_STRUCT__entry( - __field( ino_t, parent ) - __field( ino_t, ino ) - __field( loff_t, size ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->parent = parent->i_ino; - __entry->ino = d_inode(dentry)->i_ino; - __entry->size = d_inode(dentry)->i_size; - __entry->dev = d_inode(dentry)->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu size %lld parent %ld", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - (unsigned long long)__entry->size, - (unsigned long) __entry->parent) -); - -TRACE_EVENT(ext3_unlink_exit, - TP_PROTO(struct dentry *dentry, int ret), - - TP_ARGS(dentry, ret), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( int, ret ) - ), - - TP_fast_assign( - __entry->ino = d_inode(dentry)->i_ino; - __entry->dev = d_inode(dentry)->i_sb->s_dev; - __entry->ret = ret; - ), - - TP_printk("dev %d,%d ino %lu ret %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->ret) -); - -DECLARE_EVENT_CLASS(ext3__truncate, - TP_PROTO(struct inode *inode), - - TP_ARGS(inode), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( blkcnt_t, blocks ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - __entry->blocks = inode->i_blocks; - ), - - TP_printk("dev %d,%d ino %lu blocks %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, (unsigned long) __entry->blocks) -); - -DEFINE_EVENT(ext3__truncate, ext3_truncate_enter, - - TP_PROTO(struct inode *inode), - - TP_ARGS(inode) -); - -DEFINE_EVENT(ext3__truncate, ext3_truncate_exit, - - TP_PROTO(struct inode *inode), - - TP_ARGS(inode) -); - -TRACE_EVENT(ext3_get_blocks_enter, - TP_PROTO(struct inode *inode, unsigned long lblk, - unsigned long len, int create), - - TP_ARGS(inode, lblk, len, create), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( unsigned long, lblk ) - __field( unsigned long, len ) - __field( int, create ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - __entry->lblk = lblk; - __entry->len = len; - __entry->create = create; - ), - - TP_printk("dev %d,%d ino %lu lblk %lu len %lu create %u", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->lblk, __entry->len, __entry->create) -); - -TRACE_EVENT(ext3_get_blocks_exit, - TP_PROTO(struct inode *inode, unsigned long lblk, - unsigned long pblk, unsigned long len, int ret), - - TP_ARGS(inode, lblk, pblk, len, ret), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - __field( unsigned long, lblk ) - __field( unsigned long, pblk ) - __field( unsigned long, len ) - __field( int, ret ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - __entry->lblk = lblk; - __entry->pblk = pblk; - __entry->len = len; - __entry->ret = ret; - ), - - TP_printk("dev %d,%d ino %lu lblk %lu pblk %lu len %lu ret %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, - __entry->lblk, __entry->pblk, - __entry->len, __entry->ret) -); - -TRACE_EVENT(ext3_load_inode, - TP_PROTO(struct inode *inode), - - TP_ARGS(inode), - - TP_STRUCT__entry( - __field( ino_t, ino ) - __field( dev_t, dev ) - ), - - TP_fast_assign( - __entry->ino = inode->i_ino; - __entry->dev = inode->i_sb->s_dev; - ), - - TP_printk("dev %d,%d ino %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino) -); - -#endif /* _TRACE_EXT3_H */ - -/* This part must be outside protection */ -#include <trace/define_trace.h> diff --git a/include/trace/events/jbd.h b/include/trace/events/jbd.h deleted file mode 100644 index da6f2591c25e..000000000000 --- a/include/trace/events/jbd.h +++ /dev/null @@ -1,194 +0,0 @@ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM jbd - -#if !defined(_TRACE_JBD_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_JBD_H - -#include <linux/jbd.h> -#include <linux/tracepoint.h> - -TRACE_EVENT(jbd_checkpoint, - - TP_PROTO(journal_t *journal, int result), - - TP_ARGS(journal, result), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, result ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->result = result; - ), - - TP_printk("dev %d,%d result %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->result) -); - -DECLARE_EVENT_CLASS(jbd_commit, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, transaction ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->transaction = commit_transaction->t_tid; - ), - - TP_printk("dev %d,%d transaction %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->transaction) -); - -DEFINE_EVENT(jbd_commit, jbd_start_commit, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction) -); - -DEFINE_EVENT(jbd_commit, jbd_commit_locking, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction) -); - -DEFINE_EVENT(jbd_commit, jbd_commit_flushing, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction) -); - -DEFINE_EVENT(jbd_commit, jbd_commit_logging, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction) -); - -TRACE_EVENT(jbd_drop_transaction, - - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, transaction ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->transaction = commit_transaction->t_tid; - ), - - TP_printk("dev %d,%d transaction %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->transaction) -); - -TRACE_EVENT(jbd_end_commit, - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, transaction ) - __field( int, head ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->transaction = commit_transaction->t_tid; - __entry->head = journal->j_tail_sequence; - ), - - TP_printk("dev %d,%d transaction %d head %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->transaction, __entry->head) -); - -TRACE_EVENT(jbd_do_submit_data, - TP_PROTO(journal_t *journal, transaction_t *commit_transaction), - - TP_ARGS(journal, commit_transaction), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, transaction ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->transaction = commit_transaction->t_tid; - ), - - TP_printk("dev %d,%d transaction %d", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->transaction) -); - -TRACE_EVENT(jbd_cleanup_journal_tail, - - TP_PROTO(journal_t *journal, tid_t first_tid, - unsigned long block_nr, unsigned long freed), - - TP_ARGS(journal, first_tid, block_nr, freed), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( tid_t, tail_sequence ) - __field( tid_t, first_tid ) - __field(unsigned long, block_nr ) - __field(unsigned long, freed ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->tail_sequence = journal->j_tail_sequence; - __entry->first_tid = first_tid; - __entry->block_nr = block_nr; - __entry->freed = freed; - ), - - TP_printk("dev %d,%d from %u to %u offset %lu freed %lu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __entry->tail_sequence, __entry->first_tid, - __entry->block_nr, __entry->freed) -); - -TRACE_EVENT(journal_write_superblock, - TP_PROTO(journal_t *journal, int write_op), - - TP_ARGS(journal, write_op), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( int, write_op ) - ), - - TP_fast_assign( - __entry->dev = journal->j_fs_dev->bd_dev; - __entry->write_op = write_op; - ), - - TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev), - MINOR(__entry->dev), __entry->write_op) -); - -#endif /* _TRACE_JBD_H */ - -/* This part must be outside protection */ -#include <trace/define_trace.h> |