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| author | Zheng Liu <wenqing.lz@taobao.com> | 2014-02-12 11:48:31 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-06 21:30:00 -0800 |
| commit | 4687eb1ebf2129cf46e636ec197173b99a4959e2 (patch) | |
| tree | 44eb111db1078bb457999dae4987227a938af9bc | |
| parent | b85dac35a83f41e88f587b6d9d9b514581d9b034 (diff) | |
| download | linux-3.10-4687eb1ebf2129cf46e636ec197173b99a4959e2.tar.gz linux-3.10-4687eb1ebf2129cf46e636ec197173b99a4959e2.tar.bz2 linux-3.10-4687eb1ebf2129cf46e636ec197173b99a4959e2.zip | |
ext4: fix error paths in swap_inode_boot_loader()
commit 30d29b119ef01776e0a301444ab24defe8d8bef3 upstream.
In swap_inode_boot_loader() we forgot to release ->i_mutex and resume
unlocked dio for inode and inode_bl if there is an error starting the
journal handle. This commit fixes this issue.
Reported-by: Ahmed Tamrawi <ahmedtamrawi@gmail.com>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Dr. Tilmann Bubeck <t.bubeck@reinform.de>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/ext4/ioctl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index c0427e2f664..42624a995b0 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -145,7 +145,7 @@ static long swap_inode_boot_loader(struct super_block *sb, handle = ext4_journal_start(inode_bl, EXT4_HT_MOVE_EXTENTS, 2); if (IS_ERR(handle)) { err = -EINVAL; - goto swap_boot_out; + goto journal_err_out; } /* Protect extent tree against block allocations via delalloc */ @@ -203,6 +203,7 @@ static long swap_inode_boot_loader(struct super_block *sb, ext4_double_up_write_data_sem(inode, inode_bl); +journal_err_out: ext4_inode_resume_unlocked_dio(inode); ext4_inode_resume_unlocked_dio(inode_bl); |