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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 13:03:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-28 13:03:31 -0700
commit03e4970c10151c5fb25ddd7e9a142d63c6a8d058 (patch)
tree393447b9d0a6ebc64689d6e793e80ad549b97e35 /fs/ocfs2/namei.c
parent1788c208aab15f9d9d1d24cff0d0c64b5c73bbee (diff)
parent272b62c1f0f6f742046e45b50b6fec98860208a0 (diff)
downloadlinux-03e4970c10151c5fb25ddd7e9a142d63c6a8d058.tar.bz2
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (39 commits) Treat writes as new when holes span across page boundaries fs,ocfs2: Move o2net_get_func_run_time under CONFIG_OCFS2_FS_STATS. ocfs2/dlm: Move kmalloc() outside the spinlock ocfs2: Make the left masklogs compat. ocfs2: Remove masklog ML_AIO. ocfs2: Remove masklog ML_UPTODATE. ocfs2: Remove masklog ML_BH_IO. ocfs2: Remove masklog ML_JOURNAL. ocfs2: Remove masklog ML_EXPORT. ocfs2: Remove masklog ML_DCACHE. ocfs2: Remove masklog ML_NAMEI. ocfs2: Remove mlog(0) from fs/ocfs2/dir.c ocfs2: remove NAMEI from symlink.c ocfs2: Remove masklog ML_QUOTA. ocfs2: Remove mlog(0) from quota_local.c. ocfs2: Remove masklog ML_RESERVATIONS. ocfs2: Remove masklog ML_XATTR. ocfs2: Remove masklog ML_SUPER. ocfs2: Remove mlog(0) from fs/ocfs2/heartbeat.c ocfs2: Remove mlog(0) from fs/ocfs2/slot_map.c ... Fix up trivial conflict in fs/ocfs2/super.c
Diffstat (limited to 'fs/ocfs2/namei.c')
-rw-r--r--fs/ocfs2/namei.c175
1 files changed, 87 insertions, 88 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index d6c25d76b537..28f2cc1080d8 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -42,7 +42,6 @@
#include <linux/highmem.h>
#include <linux/quotaops.h>
-#define MLOG_MASK_PREFIX ML_NAMEI
#include <cluster/masklog.h>
#include "ocfs2.h"
@@ -63,6 +62,7 @@
#include "uptodate.h"
#include "xattr.h"
#include "acl.h"
+#include "ocfs2_trace.h"
#include "buffer_head_io.h"
@@ -106,17 +106,15 @@ static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
struct dentry *ret;
struct ocfs2_inode_info *oi;
- mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_lookup(dir, dentry, dentry->d_name.len,
+ dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno, 0);
if (dentry->d_name.len > OCFS2_MAX_FILENAME_LEN) {
ret = ERR_PTR(-ENAMETOOLONG);
goto bail;
}
- mlog(0, "find name %.*s in directory %llu\n", dentry->d_name.len,
- dentry->d_name.name, (unsigned long long)OCFS2_I(dir)->ip_blkno);
-
status = ocfs2_inode_lock_nested(dir, NULL, 0, OI_LS_PARENT);
if (status < 0) {
if (status != -ENOENT)
@@ -182,7 +180,7 @@ bail_unlock:
bail:
- mlog_exit_ptr(ret);
+ trace_ocfs2_lookup_ret(ret);
return ret;
}
@@ -235,9 +233,9 @@ static int ocfs2_mknod(struct inode *dir,
sigset_t oldset;
int did_block_signals = 0;
- mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
- (unsigned long)dev, dentry->d_name.len,
- dentry->d_name.name);
+ trace_ocfs2_mknod(dir, dentry, dentry->d_name.len, dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long)dev, mode);
dquot_initialize(dir);
@@ -354,10 +352,6 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
did_quota_inode = 1;
- mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry,
- inode->i_mode, (unsigned long)dev, dentry->d_name.len,
- dentry->d_name.name);
-
/* do the real work now. */
status = ocfs2_mknod_locked(osb, dir, inode, dev,
&new_fe_bh, parent_fe_bh, handle,
@@ -436,9 +430,6 @@ leave:
if (did_block_signals)
ocfs2_unblock_signals(&oldset);
- if (status == -ENOSPC)
- mlog(0, "Disk is full\n");
-
brelse(new_fe_bh);
brelse(parent_fe_bh);
kfree(si.name);
@@ -466,7 +457,8 @@ leave:
iput(inode);
}
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -577,7 +569,8 @@ leave:
}
}
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -615,10 +608,11 @@ static int ocfs2_mkdir(struct inode *dir,
{
int ret;
- mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry, mode,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_mkdir(dir, dentry, dentry->d_name.len, dentry->d_name.name,
+ OCFS2_I(dir)->ip_blkno, mode);
ret = ocfs2_mknod(dir, dentry, mode | S_IFDIR, 0);
- mlog_exit(ret);
+ if (ret)
+ mlog_errno(ret);
return ret;
}
@@ -630,10 +624,11 @@ static int ocfs2_create(struct inode *dir,
{
int ret;
- mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry, mode,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_create(dir, dentry, dentry->d_name.len, dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno, mode);
ret = ocfs2_mknod(dir, dentry, mode | S_IFREG, 0);
- mlog_exit(ret);
+ if (ret)
+ mlog_errno(ret);
return ret;
}
@@ -652,9 +647,9 @@ static int ocfs2_link(struct dentry *old_dentry,
struct ocfs2_dir_lookup_result lookup = { NULL, };
sigset_t oldset;
- mlog_entry("(inode=%lu, old='%.*s' new='%.*s')\n", inode->i_ino,
- old_dentry->d_name.len, old_dentry->d_name.name,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_link((unsigned long long)OCFS2_I(inode)->ip_blkno,
+ old_dentry->d_name.len, old_dentry->d_name.name,
+ dentry->d_name.len, dentry->d_name.name);
if (S_ISDIR(inode->i_mode))
return -EPERM;
@@ -757,7 +752,8 @@ out:
ocfs2_free_dir_lookup_result(&lookup);
- mlog_exit(err);
+ if (err)
+ mlog_errno(err);
return err;
}
@@ -809,19 +805,17 @@ static int ocfs2_unlink(struct inode *dir,
struct ocfs2_dir_lookup_result lookup = { NULL, };
struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
- mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_unlink(dir, dentry, dentry->d_name.len,
+ dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
dquot_initialize(dir);
BUG_ON(dentry->d_parent->d_inode != dir);
- mlog(0, "ino = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno);
-
- if (inode == osb->root_inode) {
- mlog(0, "Cannot delete the root directory\n");
+ if (inode == osb->root_inode)
return -EPERM;
- }
status = ocfs2_inode_lock_nested(dir, &parent_node_bh, 1,
OI_LS_PARENT);
@@ -843,9 +837,10 @@ static int ocfs2_unlink(struct inode *dir,
if (OCFS2_I(inode)->ip_blkno != blkno) {
status = -ENOENT;
- mlog(0, "ip_blkno %llu != dirent blkno %llu ip_flags = %x\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno,
- (unsigned long long)blkno, OCFS2_I(inode)->ip_flags);
+ trace_ocfs2_unlink_noent(
+ (unsigned long long)OCFS2_I(inode)->ip_blkno,
+ (unsigned long long)blkno,
+ OCFS2_I(inode)->ip_flags);
goto leave;
}
@@ -954,7 +949,8 @@ leave:
ocfs2_free_dir_lookup_result(&orphan_insert);
ocfs2_free_dir_lookup_result(&lookup);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -975,9 +971,8 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
struct buffer_head **tmpbh;
struct inode *tmpinode;
- mlog_entry("(inode1 = %llu, inode2 = %llu)\n",
- (unsigned long long)oi1->ip_blkno,
- (unsigned long long)oi2->ip_blkno);
+ trace_ocfs2_double_lock((unsigned long long)oi1->ip_blkno,
+ (unsigned long long)oi2->ip_blkno);
if (*bh1)
*bh1 = NULL;
@@ -988,7 +983,6 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
if (oi1->ip_blkno != oi2->ip_blkno) {
if (oi1->ip_blkno < oi2->ip_blkno) {
/* switch id1 and id2 around */
- mlog(0, "switching them around...\n");
tmpbh = bh2;
bh2 = bh1;
bh1 = tmpbh;
@@ -1024,8 +1018,13 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
mlog_errno(status);
}
+ trace_ocfs2_double_lock_end(
+ (unsigned long long)OCFS2_I(inode1)->ip_blkno,
+ (unsigned long long)OCFS2_I(inode2)->ip_blkno);
+
bail:
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1067,10 +1066,9 @@ static int ocfs2_rename(struct inode *old_dir,
/* At some point it might be nice to break this function up a
* bit. */
- mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p, from='%.*s' to='%.*s')\n",
- old_dir, old_dentry, new_dir, new_dentry,
- old_dentry->d_name.len, old_dentry->d_name.name,
- new_dentry->d_name.len, new_dentry->d_name.name);
+ trace_ocfs2_rename(old_dir, old_dentry, new_dir, new_dentry,
+ old_dentry->d_name.len, old_dentry->d_name.name,
+ new_dentry->d_name.len, new_dentry->d_name.name);
dquot_initialize(old_dir);
dquot_initialize(new_dir);
@@ -1227,16 +1225,15 @@ static int ocfs2_rename(struct inode *old_dir,
if (!new_inode) {
status = -EACCES;
- mlog(0, "We found an inode for name %.*s but VFS "
- "didn't give us one.\n", new_dentry->d_name.len,
- new_dentry->d_name.name);
+ trace_ocfs2_rename_target_exists(new_dentry->d_name.len,
+ new_dentry->d_name.name);
goto bail;
}
if (OCFS2_I(new_inode)->ip_blkno != newfe_blkno) {
status = -EACCES;
- mlog(0, "Inode %llu and dir %llu disagree. flags = %x\n",
+ trace_ocfs2_rename_disagree(
(unsigned long long)OCFS2_I(new_inode)->ip_blkno,
(unsigned long long)newfe_blkno,
OCFS2_I(new_inode)->ip_flags);
@@ -1259,8 +1256,7 @@ static int ocfs2_rename(struct inode *old_dir,
newfe = (struct ocfs2_dinode *) newfe_bh->b_data;
- mlog(0, "aha rename over existing... new_blkno=%llu "
- "newfebh=%p bhblocknr=%llu\n",
+ trace_ocfs2_rename_over_existing(
(unsigned long long)newfe_blkno, newfe_bh, newfe_bh ?
(unsigned long long)newfe_bh->b_blocknr : 0ULL);
@@ -1476,7 +1472,8 @@ bail:
brelse(old_dir_bh);
brelse(new_dir_bh);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1501,9 +1498,8 @@ static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
* write i_size + 1 bytes. */
blocks = (bytes_left + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
- mlog_entry("i_blocks = %llu, i_size = %llu, blocks = %d\n",
- (unsigned long long)inode->i_blocks,
- i_size_read(inode), blocks);
+ trace_ocfs2_create_symlink_data((unsigned long long)inode->i_blocks,
+ i_size_read(inode), blocks);
/* Sanity check -- make sure we're going to fit. */
if (bytes_left >
@@ -1579,7 +1575,8 @@ bail:
kfree(bhs);
}
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1610,8 +1607,8 @@ static int ocfs2_symlink(struct inode *dir,
sigset_t oldset;
int did_block_signals = 0;
- mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
- dentry, symname, dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_symlink_begin(dir, dentry, symname,
+ dentry->d_name.len, dentry->d_name.name);
dquot_initialize(dir);
@@ -1713,9 +1710,10 @@ static int ocfs2_symlink(struct inode *dir,
goto bail;
did_quota_inode = 1;
- mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry,
- inode->i_mode, dentry->d_name.len,
- dentry->d_name.name);
+ trace_ocfs2_symlink_create(dir, dentry, dentry->d_name.len,
+ dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ inode->i_mode);
status = ocfs2_mknod_locked(osb, dir, inode,
0, &new_fe_bh, parent_fe_bh, handle,
@@ -1835,7 +1833,8 @@ bail:
iput(inode);
}
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -1844,8 +1843,6 @@ static int ocfs2_blkno_stringify(u64 blkno, char *name)
{
int status, namelen;
- mlog_entry_void();
-
namelen = snprintf(name, OCFS2_ORPHAN_NAMELEN + 1, "%016llx",
(long long)blkno);
if (namelen <= 0) {
@@ -1862,12 +1859,12 @@ static int ocfs2_blkno_stringify(u64 blkno, char *name)
goto bail;
}
- mlog(0, "built filename '%s' for orphan dir (len=%d)\n", name,
- namelen);
+ trace_ocfs2_blkno_stringify(blkno, name, namelen);
status = 0;
bail:
- mlog_exit(status);
+ if (status < 0)
+ mlog_errno(status);
return status;
}
@@ -1980,7 +1977,8 @@ out:
iput(orphan_dir_inode);
}
- mlog_exit(ret);
+ if (ret)
+ mlog_errno(ret);
return ret;
}
@@ -1997,7 +1995,8 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
struct ocfs2_dinode *orphan_fe;
struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data;
- mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
+ trace_ocfs2_orphan_add_begin(
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
status = ocfs2_read_inode_block(orphan_dir_inode, &orphan_dir_bh);
if (status < 0) {
@@ -2056,13 +2055,14 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
ocfs2_journal_dirty(handle, fe_bh);
- mlog(0, "Inode %llu orphaned in slot %d\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num);
+ trace_ocfs2_orphan_add_end((unsigned long long)OCFS2_I(inode)->ip_blkno,
+ osb->slot_num);
leave:
brelse(orphan_dir_bh);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -2078,17 +2078,15 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
int status = 0;
struct ocfs2_dir_lookup_result lookup = { NULL, };
- mlog_entry_void();
-
status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, name);
if (status < 0) {
mlog_errno(status);
goto leave;
}
- mlog(0, "removing '%s' from orphan dir %llu (namelen=%d)\n",
- name, (unsigned long long)OCFS2_I(orphan_dir_inode)->ip_blkno,
- OCFS2_ORPHAN_NAMELEN);
+ trace_ocfs2_orphan_del(
+ (unsigned long long)OCFS2_I(orphan_dir_inode)->ip_blkno,
+ name, OCFS2_ORPHAN_NAMELEN);
/* find it's spot in the orphan directory */
status = ocfs2_find_entry(name, OCFS2_ORPHAN_NAMELEN, orphan_dir_inode,
@@ -2124,7 +2122,8 @@ int ocfs2_orphan_del(struct ocfs2_super *osb,
leave:
ocfs2_free_dir_lookup_result(&lookup);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}
@@ -2321,9 +2320,6 @@ leave:
iput(orphan_dir);
}
- if (status == -ENOSPC)
- mlog(0, "Disk is full\n");
-
if ((status < 0) && inode) {
clear_nlink(inode);
iput(inode);
@@ -2358,8 +2354,10 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
struct buffer_head *di_bh = NULL;
struct ocfs2_dir_lookup_result lookup = { NULL, };
- mlog_entry("(0x%p, 0x%p, %.*s')\n", dir, dentry,
- dentry->d_name.len, dentry->d_name.name);
+ trace_ocfs2_mv_orphaned_inode_to_new(dir, dentry,
+ dentry->d_name.len, dentry->d_name.name,
+ (unsigned long long)OCFS2_I(dir)->ip_blkno,
+ (unsigned long long)OCFS2_I(inode)->ip_blkno);
status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
if (status < 0) {
@@ -2476,7 +2474,8 @@ leave:
ocfs2_free_dir_lookup_result(&lookup);
- mlog_exit(status);
+ if (status)
+ mlog_errno(status);
return status;
}