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-rw-r--r--fs/ext4/ext4.h227
1 files changed, 152 insertions, 75 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 61b37a052052..523e00d7b392 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -36,6 +36,7 @@
#include <crypto/hash.h>
#include <linux/falloc.h>
#include <linux/percpu-rwsem.h>
+#include <linux/fiemap.h>
#ifdef __KERNEL__
#include <linux/compat.h>
#endif
@@ -80,14 +81,22 @@
#define ext4_debug(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif
+ /*
+ * Turn on EXT_DEBUG to enable ext4_ext_show_path/leaf/move in extents.c
+ */
+#define EXT_DEBUG__
+
/*
- * Turn on EXT_DEBUG to get lots of info about extents operations.
+ * Dynamic printk for controlled extents debugging.
*/
-#define EXT_DEBUG__
-#ifdef EXT_DEBUG
-#define ext_debug(fmt, ...) printk(fmt, ##__VA_ARGS__)
+#ifdef CONFIG_EXT4_DEBUG
+#define ext_debug(ino, fmt, ...) \
+ pr_debug("[%s/%d] EXT4-fs (%s): ino %lu: (%s, %d): %s:" fmt, \
+ current->comm, task_pid_nr(current), \
+ ino->i_sb->s_id, ino->i_ino, __FILE__, __LINE__, \
+ __func__, ##__VA_ARGS__)
#else
-#define ext_debug(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
+#define ext_debug(ino, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif
/* data type for block offset of block group */
@@ -142,6 +151,8 @@ enum SHIFT_DIRECTION {
#define EXT4_MB_USE_ROOT_BLOCKS 0x1000
/* Use blocks from reserved pool */
#define EXT4_MB_USE_RESERVED 0x2000
+/* Do strict check for free blocks while retrying block allocation */
+#define EXT4_MB_STRICT_CHECK 0x4000
struct ext4_allocation_request {
/* target inode for block we're allocating */
@@ -171,10 +182,10 @@ struct ext4_allocation_request {
* well as to store the information returned by ext4_map_blocks(). It
* takes less room on the stack than a struct buffer_head.
*/
-#define EXT4_MAP_NEW (1 << BH_New)
-#define EXT4_MAP_MAPPED (1 << BH_Mapped)
-#define EXT4_MAP_UNWRITTEN (1 << BH_Unwritten)
-#define EXT4_MAP_BOUNDARY (1 << BH_Boundary)
+#define EXT4_MAP_NEW BIT(BH_New)
+#define EXT4_MAP_MAPPED BIT(BH_Mapped)
+#define EXT4_MAP_UNWRITTEN BIT(BH_Unwritten)
+#define EXT4_MAP_BOUNDARY BIT(BH_Boundary)
#define EXT4_MAP_FLAGS (EXT4_MAP_NEW | EXT4_MAP_MAPPED |\
EXT4_MAP_UNWRITTEN | EXT4_MAP_BOUNDARY)
@@ -414,29 +425,60 @@ struct flex_groups {
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
#define EXT4_VERITY_FL 0x00100000 /* Verity protected inode */
#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
-#define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
+/* 0x00400000 was formerly EXT4_EOFBLOCKS_FL */
+
+#define EXT4_DAX_FL 0x02000000 /* Inode is DAX */
+
#define EXT4_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
#define EXT4_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
-#define EXT4_CASEFOLD_FL 0x40000000 /* Casefolded file */
+#define EXT4_CASEFOLD_FL 0x40000000 /* Casefolded directory */
#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
-#define EXT4_FL_USER_VISIBLE 0x705BDFFF /* User visible flags */
-#define EXT4_FL_USER_MODIFIABLE 0x604BC0FF /* User modifiable flags */
-
-/* Flags we can manipulate with through EXT4_IOC_FSSETXATTR */
+/* User modifiable flags */
+#define EXT4_FL_USER_MODIFIABLE (EXT4_SECRM_FL | \
+ EXT4_UNRM_FL | \
+ EXT4_COMPR_FL | \
+ EXT4_SYNC_FL | \
+ EXT4_IMMUTABLE_FL | \
+ EXT4_APPEND_FL | \
+ EXT4_NODUMP_FL | \
+ EXT4_NOATIME_FL | \
+ EXT4_JOURNAL_DATA_FL | \
+ EXT4_NOTAIL_FL | \
+ EXT4_DIRSYNC_FL | \
+ EXT4_TOPDIR_FL | \
+ EXT4_EXTENTS_FL | \
+ 0x00400000 /* EXT4_EOFBLOCKS_FL */ | \
+ EXT4_DAX_FL | \
+ EXT4_PROJINHERIT_FL | \
+ EXT4_CASEFOLD_FL)
+
+/* User visible flags */
+#define EXT4_FL_USER_VISIBLE (EXT4_FL_USER_MODIFIABLE | \
+ EXT4_DIRTY_FL | \
+ EXT4_COMPRBLK_FL | \
+ EXT4_NOCOMPR_FL | \
+ EXT4_ENCRYPT_FL | \
+ EXT4_INDEX_FL | \
+ EXT4_VERITY_FL | \
+ EXT4_INLINE_DATA_FL)
+
+/* Flags we can manipulate with through FS_IOC_FSSETXATTR */
#define EXT4_FL_XFLAG_VISIBLE (EXT4_SYNC_FL | \
EXT4_IMMUTABLE_FL | \
EXT4_APPEND_FL | \
EXT4_NODUMP_FL | \
EXT4_NOATIME_FL | \
- EXT4_PROJINHERIT_FL)
+ EXT4_PROJINHERIT_FL | \
+ EXT4_DAX_FL)
/* Flags that should be inherited by new inodes from their parent. */
#define EXT4_FL_INHERITED (EXT4_SECRM_FL | EXT4_UNRM_FL | EXT4_COMPR_FL |\
EXT4_SYNC_FL | EXT4_NODUMP_FL | EXT4_NOATIME_FL |\
EXT4_NOCOMPR_FL | EXT4_JOURNAL_DATA_FL |\
EXT4_NOTAIL_FL | EXT4_DIRSYNC_FL |\
- EXT4_PROJINHERIT_FL | EXT4_CASEFOLD_FL)
+ EXT4_PROJINHERIT_FL | EXT4_CASEFOLD_FL |\
+ EXT4_DAX_FL)
/* Flags that are appropriate for regular files (all but dir-specific ones). */
#define EXT4_REG_FLMASK (~(EXT4_DIRSYNC_FL | EXT4_TOPDIR_FL | EXT4_CASEFOLD_FL |\
@@ -448,6 +490,10 @@ struct flex_groups {
/* The only flags that should be swapped */
#define EXT4_FL_SHOULD_SWAP (EXT4_HUGE_FILE_FL | EXT4_EXTENTS_FL)
+/* Flags which are mutually exclusive to DAX */
+#define EXT4_DAX_MUT_EXCL (EXT4_VERITY_FL | EXT4_ENCRYPT_FL |\
+ EXT4_JOURNAL_DATA_FL)
+
/* Mask out flags that are inappropriate for the given type of inode. */
static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
{
@@ -487,9 +533,11 @@ enum {
EXT4_INODE_EXTENTS = 19, /* Inode uses extents */
EXT4_INODE_VERITY = 20, /* Verity protected inode */
EXT4_INODE_EA_INODE = 21, /* Inode used for large EA */
- EXT4_INODE_EOFBLOCKS = 22, /* Blocks allocated beyond EOF */
+/* 22 was formerly EXT4_INODE_EOFBLOCKS */
+ EXT4_INODE_DAX = 25, /* Inode is DAX */
EXT4_INODE_INLINE_DATA = 28, /* Data in inode. */
EXT4_INODE_PROJINHERIT = 29, /* Create with parents projid */
+ EXT4_INODE_CASEFOLD = 30, /* Casefolded directory */
EXT4_INODE_RESERVED = 31, /* reserved for ext4 lib */
};
@@ -533,9 +581,9 @@ static inline void ext4_check_flag_values(void)
CHECK_FLAG_VALUE(EXTENTS);
CHECK_FLAG_VALUE(VERITY);
CHECK_FLAG_VALUE(EA_INODE);
- CHECK_FLAG_VALUE(EOFBLOCKS);
CHECK_FLAG_VALUE(INLINE_DATA);
CHECK_FLAG_VALUE(PROJINHERIT);
+ CHECK_FLAG_VALUE(CASEFOLD);
CHECK_FLAG_VALUE(RESERVED);
}
@@ -610,8 +658,6 @@ enum {
#define EXT4_GET_BLOCKS_METADATA_NOFAIL 0x0020
/* Don't normalize allocation size (used for fallocate) */
#define EXT4_GET_BLOCKS_NO_NORMALIZE 0x0040
- /* Request will not result in inode size update (user for fallocate) */
-#define EXT4_GET_BLOCKS_KEEP_SIZE 0x0080
/* Convert written extents to unwritten */
#define EXT4_GET_BLOCKS_CONVERT_UNWRITTEN 0x0100
/* Write zeros to newly created written extents */
@@ -633,6 +679,7 @@ enum {
*/
#define EXT4_EX_NOCACHE 0x40000000
#define EXT4_EX_FORCE_CACHE 0x20000000
+#define EXT4_EX_NOFAIL 0x10000000
/*
* Flags used by ext4_free_blocks
@@ -648,8 +695,6 @@ enum {
/*
* ioctl commands
*/
-#define EXT4_IOC_GETFLAGS FS_IOC_GETFLAGS
-#define EXT4_IOC_SETFLAGS FS_IOC_SETFLAGS
#define EXT4_IOC_GETVERSION _IOR('f', 3, long)
#define EXT4_IOC_SETVERSION _IOW('f', 4, long)
#define EXT4_IOC_GETVERSION_OLD FS_IOC_GETVERSION
@@ -666,17 +711,11 @@ enum {
#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64)
#define EXT4_IOC_SWAP_BOOT _IO('f', 17)
#define EXT4_IOC_PRECACHE_EXTENTS _IO('f', 18)
-#define EXT4_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
-#define EXT4_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
-#define EXT4_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
/* ioctl codes 19--39 are reserved for fscrypt */
#define EXT4_IOC_CLEAR_ES_CACHE _IO('f', 40)
#define EXT4_IOC_GETSTATE _IOW('f', 41, __u32)
#define EXT4_IOC_GET_ES_CACHE _IOWR('f', 42, struct fiemap)
-#define EXT4_IOC_FSGETXATTR FS_IOC_FSGETXATTR
-#define EXT4_IOC_FSSETXATTR FS_IOC_FSSETXATTR
-
#define EXT4_IOC_SHUTDOWN _IOR ('X', 125, __u32)
/*
@@ -701,8 +740,6 @@ enum {
/*
* ioctl commands in 32 bit emulation
*/
-#define EXT4_IOC32_GETFLAGS FS_IOC32_GETFLAGS
-#define EXT4_IOC32_SETFLAGS FS_IOC32_SETFLAGS
#define EXT4_IOC32_GETVERSION _IOR('f', 3, int)
#define EXT4_IOC32_SETVERSION _IOW('f', 4, int)
#define EXT4_IOC32_GETRSVSZ _IOR('f', 5, int)
@@ -723,7 +760,7 @@ enum {
#define EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF
/* Max logical block we can support */
-#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFF
+#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFE
/*
* Structure of an inode on the disk
@@ -1033,6 +1070,7 @@ struct ext4_inode_info {
struct timespec64 i_crtime;
/* mballoc */
+ atomic_t i_prealloc_active;
struct list_head i_prealloc_list;
spinlock_t i_prealloc_lock;
@@ -1124,9 +1162,9 @@ struct ext4_inode_info {
#define EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */
#define EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/
#ifdef CONFIG_FS_DAX
-#define EXT4_MOUNT_DAX 0x00200 /* Direct Access */
+#define EXT4_MOUNT_DAX_ALWAYS 0x00200 /* Direct Access */
#else
-#define EXT4_MOUNT_DAX 0
+#define EXT4_MOUNT_DAX_ALWAYS 0
#endif
#define EXT4_MOUNT_DATA_FLAGS 0x00C00 /* Mode for data writes: */
#define EXT4_MOUNT_JOURNAL_DATA 0x00400 /* Write data to journal */
@@ -1151,6 +1189,7 @@ struct ext4_inode_info {
#define EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */
#define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */
#define EXT4_MOUNT_WARN_ON_ERROR 0x2000000 /* Trigger WARN_ON on error */
+#define EXT4_MOUNT_PREFETCH_BLOCK_BITMAPS 0x4000000
#define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */
#define EXT4_MOUNT_DATA_ERR_ABORT 0x10000000 /* Abort on file data write */
#define EXT4_MOUNT_BLOCK_VALIDITY 0x20000000 /* Block validity checking */
@@ -1169,6 +1208,8 @@ struct ext4_inode_info {
blocks */
#define EXT4_MOUNT2_HURD_COMPAT 0x00000004 /* Support HURD-castrated
file systems */
+#define EXT4_MOUNT2_DAX_NEVER 0x00000008 /* Do not allow Direct Access */
+#define EXT4_MOUNT2_DAX_INODE 0x00000010 /* For printing options only */
#define EXT4_MOUNT2_EXPLICIT_JOURNAL_CHECKSUM 0x00000008 /* User explicitly
specified journal checksum */
@@ -1358,11 +1399,9 @@ struct ext4_super_block {
*/
#define EXT4_MF_MNTDIR_SAMPLED 0x0001
#define EXT4_MF_FS_ABORTED 0x0002 /* Fatal error detected */
-#define EXT4_MF_TEST_DUMMY_ENCRYPTION 0x0004
#ifdef CONFIG_FS_ENCRYPTION
-#define DUMMY_ENCRYPTION_ENABLED(sbi) (unlikely((sbi)->s_mount_flags & \
- EXT4_MF_TEST_DUMMY_ENCRYPTION))
+#define DUMMY_ENCRYPTION_ENABLED(sbi) ((sbi)->s_dummy_enc_ctx.ctx != NULL)
#else
#define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
#endif
@@ -1480,10 +1519,13 @@ struct ext4_sb_info {
unsigned int s_mb_stats;
unsigned int s_mb_order2_reqs;
unsigned int s_mb_group_prealloc;
+ unsigned int s_mb_max_inode_prealloc;
unsigned int s_max_dir_size_kb;
/* where last allocation was done - for stream allocation */
unsigned long s_mb_last_group;
unsigned long s_mb_last_start;
+ unsigned int s_mb_prefetch;
+ unsigned int s_mb_prefetch_limit;
/* stats for buddy allocator */
atomic_t s_bal_reqs; /* number of reqs with len > 1 */
@@ -1551,6 +1593,11 @@ struct ext4_sb_info {
struct ratelimit_state s_err_ratelimit_state;
struct ratelimit_state s_warning_ratelimit_state;
struct ratelimit_state s_msg_ratelimit_state;
+ atomic_t s_warning_count;
+ atomic_t s_msg_count;
+
+ /* Encryption context for '-o test_dummy_encryption' */
+ struct fscrypt_dummy_context s_dummy_enc_ctx;
/*
* Barrier between writepages ops and changing any inode's JOURNAL_DATA
@@ -1561,6 +1608,9 @@ struct ext4_sb_info {
#ifdef CONFIG_EXT4_DEBUG
unsigned long s_simulate_fail;
#endif
+ /* Record the errseq of the backing block device */
+ errseq_t s_bdev_wb_err;
+ spinlock_t s_bdev_wb_lock;
};
static inline struct ext4_sb_info *EXT4_SB(struct super_block *sb)
@@ -1980,6 +2030,7 @@ static inline bool ext4_has_incompat_features(struct super_block *sb)
*/
#define EXT4_FLAGS_RESIZING 0
#define EXT4_FLAGS_SHUTDOWN 1
+#define EXT4_FLAGS_BDEV_IS_DAX 2
static inline int ext4_forced_shutdown(struct ext4_sb_info *sbi)
{
@@ -2051,7 +2102,7 @@ struct ext4_dir_entry_2 {
__le32 inode; /* Inode number */
__le16 rec_len; /* Directory entry length */
__u8 name_len; /* Name length */
- __u8 file_type;
+ __u8 file_type; /* See file type macros EXT4_FT_* below */
char name[EXT4_NAME_LEN]; /* File name */
};
@@ -2288,9 +2339,15 @@ struct ext4_lazy_init {
struct mutex li_list_mtx;
};
+enum ext4_li_mode {
+ EXT4_LI_MODE_PREFETCH_BBITMAP,
+ EXT4_LI_MODE_ITABLE,
+};
+
struct ext4_li_request {
struct super_block *lr_super;
- struct ext4_sb_info *lr_sbi;
+ enum ext4_li_mode lr_mode;
+ ext4_group_t lr_first_not_zeroed;
ext4_group_t lr_next_group;
struct list_head lr_request;
unsigned long lr_next_sched;
@@ -2421,7 +2478,8 @@ extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
extern int ext4_should_retry_alloc(struct super_block *sb, int *retries);
extern struct buffer_head *ext4_read_block_bitmap_nowait(struct super_block *sb,
- ext4_group_t block_group);
+ ext4_group_t block_group,
+ bool ignore_locked);
extern int ext4_wait_block_bitmap(struct super_block *sb,
ext4_group_t block_group,
struct buffer_head *bh);
@@ -2626,9 +2684,15 @@ extern int ext4_mb_release(struct super_block *);
extern ext4_fsblk_t ext4_mb_new_blocks(handle_t *,
struct ext4_allocation_request *, int *);
extern int ext4_mb_reserve_blocks(struct super_block *, int);
-extern void ext4_discard_preallocations(struct inode *);
+extern void ext4_discard_preallocations(struct inode *, unsigned int);
extern int __init ext4_init_mballoc(void);
extern void ext4_exit_mballoc(void);
+extern ext4_group_t ext4_mb_prefetch(struct super_block *sb,
+ ext4_group_t group,
+ unsigned int nr, int *cnt);
+extern void ext4_mb_prefetch_fini(struct super_block *sb, ext4_group_t group,
+ unsigned int nr);
+
extern void ext4_free_blocks(handle_t *handle, struct inode *inode,
struct buffer_head *bh, ext4_fsblk_t block,
unsigned long count, int flags);
@@ -2693,7 +2757,7 @@ extern int ext4_can_truncate(struct inode *inode);
extern int ext4_truncate(struct inode *);
extern int ext4_break_layouts(struct inode *);
extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
-extern void ext4_set_inode_flags(struct inode *);
+extern void ext4_set_inode_flags(struct inode *, bool init);
extern int ext4_alloc_da_blocks(struct inode *inode);
extern void ext4_set_aops(struct inode *inode);
extern int ext4_writepage_trans_blocks(struct inode *);
@@ -2740,8 +2804,7 @@ extern int ext4_search_dir(struct buffer_head *bh,
struct ext4_filename *fname,
unsigned int offset,
struct ext4_dir_entry_2 **res_dir);
-extern int ext4_generic_delete_entry(handle_t *handle,
- struct inode *dir,
+extern int ext4_generic_delete_entry(struct inode *dir,
struct ext4_dir_entry_2 *de_del,
struct buffer_head *bh,
void *entry_buf,
@@ -2771,21 +2834,20 @@ extern const char *ext4_decode_error(struct super_block *sb, int errno,
extern void ext4_mark_group_bitmap_corrupted(struct super_block *sb,
ext4_group_t block_group,
unsigned int flags);
-extern void ext4_set_errno(struct super_block *sb, int err);
-extern __printf(4, 5)
-void __ext4_error(struct super_block *, const char *, unsigned int,
+extern __printf(6, 7)
+void __ext4_error(struct super_block *, const char *, unsigned int, int, __u64,
const char *, ...);
-extern __printf(5, 6)
-void __ext4_error_inode(struct inode *, const char *, unsigned int, ext4_fsblk_t,
- const char *, ...);
+extern __printf(6, 7)
+void __ext4_error_inode(struct inode *, const char *, unsigned int,
+ ext4_fsblk_t, int, const char *, ...);
extern __printf(5, 6)
void __ext4_error_file(struct file *, const char *, unsigned int, ext4_fsblk_t,
const char *, ...);
extern void __ext4_std_error(struct super_block *, const char *,
unsigned int, int);
-extern __printf(4, 5)
-void __ext4_abort(struct super_block *, const char *, unsigned int,
+extern __printf(5, 6)
+void __ext4_abort(struct super_block *, const char *, unsigned int, int,
const char *, ...);
extern __printf(4, 5)
void __ext4_warning(struct super_block *, const char *, unsigned int,
@@ -2806,8 +2868,12 @@ void __ext4_grp_locked_error(const char *, unsigned int,
#define EXT4_ERROR_INODE(inode, fmt, a...) \
ext4_error_inode((inode), __func__, __LINE__, 0, (fmt), ## a)
-#define EXT4_ERROR_INODE_BLOCK(inode, block, fmt, a...) \
- ext4_error_inode((inode), __func__, __LINE__, (block), (fmt), ## a)
+#define EXT4_ERROR_INODE_ERR(inode, err, fmt, a...) \
+ __ext4_error_inode((inode), __func__, __LINE__, 0, (err), (fmt), ## a)
+
+#define ext4_error_inode_block(inode, block, err, fmt, a...) \
+ __ext4_error_inode((inode), __func__, __LINE__, (block), (err), \
+ (fmt), ## a)
#define EXT4_ERROR_FILE(file, block, fmt, a...) \
ext4_error_file((file), __func__, __LINE__, (block), (fmt), ## a)
@@ -2815,13 +2881,18 @@ void __ext4_grp_locked_error(const char *, unsigned int,
#ifdef CONFIG_PRINTK
#define ext4_error_inode(inode, func, line, block, fmt, ...) \
- __ext4_error_inode(inode, func, line, block, fmt, ##__VA_ARGS__)
+ __ext4_error_inode(inode, func, line, block, 0, fmt, ##__VA_ARGS__)
+#define ext4_error_inode_err(inode, func, line, block, err, fmt, ...) \
+ __ext4_error_inode((inode), (func), (line), (block), \
+ (err), (fmt), ##__VA_ARGS__)
#define ext4_error_file(file, func, line, block, fmt, ...) \
__ext4_error_file(file, func, line, block, fmt, ##__VA_ARGS__)
#define ext4_error(sb, fmt, ...) \
- __ext4_error(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
-#define ext4_abort(sb, fmt, ...) \
- __ext4_abort(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
+ __ext4_error((sb), __func__, __LINE__, 0, 0, (fmt), ##__VA_ARGS__)
+#define ext4_error_err(sb, err, fmt, ...) \
+ __ext4_error((sb), __func__, __LINE__, (err), 0, (fmt), ##__VA_ARGS__)
+#define ext4_abort(sb, err, fmt, ...) \
+ __ext4_abort((sb), __func__, __LINE__, (err), (fmt), ##__VA_ARGS__)
#define ext4_warning(sb, fmt, ...) \
__ext4_warning(sb, __func__, __LINE__, fmt, ##__VA_ARGS__)
#define ext4_warning_inode(inode, fmt, ...) \
@@ -2839,7 +2910,12 @@ void __ext4_grp_locked_error(const char *, unsigned int,
#define ext4_error_inode(inode, func, line, block, fmt, ...) \
do { \
no_printk(fmt, ##__VA_ARGS__); \
- __ext4_error_inode(inode, "", 0, block, " "); \
+ __ext4_error_inode(inode, "", 0, block, 0, " "); \
+} while (0)
+#define ext4_error_inode_err(inode, func, line, block, err, fmt, ...) \
+do { \
+ no_printk(fmt, ##__VA_ARGS__); \
+ __ext4_error_inode(inode, "", 0, block, err, " "); \
} while (0)
#define ext4_error_file(file, func, line, block, fmt, ...) \
do { \
@@ -2849,12 +2925,17 @@ do { \
#define ext4_error(sb, fmt, ...) \
do { \
no_printk(fmt, ##__VA_ARGS__); \
- __ext4_error(sb, "", 0, " "); \
+ __ext4_error(sb, "", 0, 0, 0, " "); \
+} while (0)
+#define ext4_error_err(sb, err, fmt, ...) \
+do { \
+ no_printk(fmt, ##__VA_ARGS__); \
+ __ext4_error(sb, "", 0, err, 0, " "); \
} while (0)
-#define ext4_abort(sb, fmt, ...) \
+#define ext4_abort(sb, err, fmt, ...) \
do { \
no_printk(fmt, ##__VA_ARGS__); \
- __ext4_abort(sb, "", 0, " "); \
+ __ext4_abort(sb, "", 0, err, " "); \
} while (0)
#define ext4_warning(sb, fmt, ...) \
do { \
@@ -2881,12 +2962,6 @@ do { \
#endif
-extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb,
- __u32 compat);
-extern int ext4_update_rocompat_feature(handle_t *handle,
- struct super_block *sb, __u32 rocompat);
-extern int ext4_update_incompat_feature(handle_t *handle,
- struct super_block *sb, __u32 incompat);
extern ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
struct ext4_group_desc *bg);
extern ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb,
@@ -3102,6 +3177,7 @@ struct ext4_group_info {
(1 << EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT)
#define EXT4_GROUP_INFO_IBITMAP_CORRUPT \
(1 << EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT)
+#define EXT4_GROUP_INFO_BBITMAP_READ_BIT 4
#define EXT4_MB_GRP_NEED_INIT(grp) \
(test_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &((grp)->bb_state)))
@@ -3116,6 +3192,8 @@ struct ext4_group_info {
(set_bit(EXT4_GROUP_INFO_WAS_TRIMMED_BIT, &((grp)->bb_state)))
#define EXT4_MB_GRP_CLEAR_TRIMMED(grp) \
(clear_bit(EXT4_GROUP_INFO_WAS_TRIMMED_BIT, &((grp)->bb_state)))
+#define EXT4_MB_GRP_TEST_AND_SET_READ(grp) \
+ (test_and_set_bit(EXT4_GROUP_INFO_BBITMAP_READ_BIT, &((grp)->bb_state)))
#define EXT4_MAX_CONTENTION 8
#define EXT4_CONTENTION_THRESHOLD 2
@@ -3299,9 +3377,8 @@ static inline void ext4_set_de_type(struct super_block *sb,
}
/* readpages.c */
-extern int ext4_mpage_readpages(struct address_space *mapping,
- struct list_head *pages, struct page *page,
- unsigned nr_pages, bool is_readahead);
+extern int ext4_mpage_readpages(struct inode *inode,
+ struct readahead_control *rac, struct page *page);
extern int __init ext4_init_post_read_processing(void);
extern void ext4_exit_post_read_processing(void);
@@ -3321,9 +3398,9 @@ extern void ext4_release_system_zone(struct super_block *sb);
extern int ext4_setup_system_zone(struct super_block *sb);
extern int __init ext4_init_system_zone(void);
extern void ext4_exit_system_zone(void);
-extern int ext4_data_block_valid(struct ext4_sb_info *sbi,
- ext4_fsblk_t start_blk,
- unsigned int count);
+extern int ext4_inode_block_valid(struct inode *inode,
+ ext4_fsblk_t start_blk,
+ unsigned int count);
extern int ext4_check_blockref(const char *, unsigned int,
struct inode *, __le32 *, unsigned int);
@@ -3337,7 +3414,7 @@ struct ext4_extent;
*/
#define EXT_MAX_BLOCKS 0xffffffff
-extern int ext4_ext_tree_init(handle_t *handle, struct inode *);
+extern void ext4_ext_tree_init(handle_t *handle, struct inode *inode);
extern int ext4_ext_index_trans_blocks(struct inode *inode, int extents);
extern int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
struct ext4_map_blocks *map, int flags);