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ext4: release donor reference when EXT4_IOC_MOVE_EXT ioctl fails

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When the EXT4_IOC_MOVE_EXT ioctl() fails on bigalloc file systems, we
should jump to the 'mext_out' label to release the donor file reference.

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Djalal Harouni 2012-09-26 22:58:50 -04:00 committed by Theodore Ts'o
parent aaf7d73e54
commit 9b68733273
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/ioctl.c
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@ -258,7 +258,8 @@ group_extend_out:
EXT4_FEATURE_RO_COMPAT_BIGALLOC)) { EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
ext4_msg(sb, KERN_ERR, ext4_msg(sb, KERN_ERR,
"Online defrag not supported with bigalloc"); "Online defrag not supported with bigalloc");
return -EOPNOTSUPP; err = -EOPNOTSUPP;
goto mext_out;
} }
err = mnt_want_write_file(filp); err = mnt_want_write_file(filp);