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ext4: Handle nested ext4_journal_start/stop calls without a journal

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This patch fixes a problem with handling nested calls to
ext4_journal_start/ext4_journal_stop, when there is no journal present.

Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Curt Wohlgemuth
2009-09-29 11:01:03 -04:00
committed by Theodore Ts'o
parent f3dc272fd5
commit d3d1faf6a7
3 changed files with 38 additions and 13 deletions
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3
fs/ext4/namei.c
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@ -2076,7 +2076,8 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
struct ext4_iloc iloc;
int err = 0;
if (!ext4_handle_valid(handle))
/* ext4_handle_valid() assumes a valid handle_t pointer */
if (handle && !ext4_handle_valid(handle))
return 0;
mutex_lock(&EXT4_SB(inode->i_sb)->s_orphan_lock);