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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 09:57:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 09:57:41 -0700
commitae005cbed12d0b340b04b59d6f5c56e710b3895d (patch)
treed464865bcc97bea05eab4eba0d10bcad4ec89b93 /fs/ext4/namei.c
parent3961cdf85b749f6bab50ad31ee97e9277e7a3b70 (diff)
parent0ba0851714beebb800992e5105a79dc3a4c504b0 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (43 commits) ext4: fix a BUG in mb_mark_used during trim. ext4: unused variables cleanup in fs/ext4/extents.c ext4: remove redundant set_buffer_mapped() in ext4_da_get_block_prep() ext4: add more tracepoints and use dev_t in the trace buffer ext4: don't kfree uninitialized s_group_info members ext4: add missing space in printk's in __ext4_grp_locked_error() ext4: add FITRIM to compat_ioctl. ext4: handle errors in ext4_clear_blocks() ext4: unify the ext4_handle_release_buffer() api ext4: handle errors in ext4_rename jbd2: add COW fields to struct jbd2_journal_handle jbd2: add the b_cow_tid field to journal_head struct ext4: Initialize fsync transaction ids in ext4_new_inode() ext4: Use single thread to perform DIO unwritten convertion ext4: optimize ext4_bio_write_page() when no extent conversion is needed ext4: skip orphan cleanup if fs has unknown ROCOMPAT features ext4: use the nblocks arg to ext4_truncate_restart_trans() ext4: fix missing iput of root inode for some mount error paths ext4: make FIEMAP and delayed allocation play well together ext4: suppress verbose debugging information if malloc-debug is off ... Fi up conflicts in fs/ext4/super.c due to workqueue changes
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e781b7ea563..67fd0b02585 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -40,6 +40,7 @@
#include "xattr.h"
#include "acl.h"
+#include <trace/events/ext4.h>
/*
* define how far ahead to read directories while searching them.
*/
@@ -2183,6 +2184,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
struct ext4_dir_entry_2 *de;
handle_t *handle;
+ trace_ext4_unlink_enter(dir, dentry);
/* Initialize quotas before so that eventual writes go
* in separate transaction */
dquot_initialize(dir);
@@ -2228,6 +2230,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
end_unlink:
ext4_journal_stop(handle);
brelse(bh);
+ trace_ext4_unlink_exit(dentry, retval);
return retval;
}
@@ -2402,6 +2405,10 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
if (!new_inode && new_dir != old_dir &&
EXT4_DIR_LINK_MAX(new_dir))
goto end_rename;
+ BUFFER_TRACE(dir_bh, "get_write_access");
+ retval = ext4_journal_get_write_access(handle, dir_bh);
+ if (retval)
+ goto end_rename;
}
if (!new_bh) {
retval = ext4_add_entry(handle, new_dentry, old_inode);
@@ -2409,7 +2416,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
goto end_rename;
} else {
BUFFER_TRACE(new_bh, "get write access");
- ext4_journal_get_write_access(handle, new_bh);
+ retval = ext4_journal_get_write_access(handle, new_bh);
+ if (retval)
+ goto end_rename;
new_de->inode = cpu_to_le32(old_inode->i_ino);
if (EXT4_HAS_INCOMPAT_FEATURE(new_dir->i_sb,
EXT4_FEATURE_INCOMPAT_FILETYPE))
@@ -2470,8 +2479,6 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dir->i_ctime = old_dir->i_mtime = ext4_current_time(old_dir);
ext4_update_dx_flag(old_dir);
if (dir_bh) {
- BUFFER_TRACE(dir_bh, "get_write_access");
- ext4_journal_get_write_access(handle, dir_bh);
PARENT_INO(dir_bh->b_data, new_dir->i_sb->s_blocksize) =
cpu_to_le32(new_dir->i_ino);
BUFFER_TRACE(dir_bh, "call ext4_handle_dirty_metadata");