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f2fs: fix to clean previous mount option when remount_fs 

In manual of mount, we descript remount as below:

"mount -o remount,rw /dev/foo /dir
After  this call all old mount options are replaced and arbitrary stuff from
fstab is ignored, except the loop= option which is internally generated and
maintained by the mount command."

Previously f2fs do not clear up old mount options when remount_fs, so we have no
chance of disabling previous option (e.g. flush_merge). Fix it.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2014-09-15 18:04:44 +08:00 committed by Jaegeuk Kim
parent 14cecc5cd6
commit 26666c8a43
1 changed files with 3 additions and 0 deletions
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3
fs/f2fs/super.c
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@ -618,6 +618,9 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
org_mount_opt = sbi->mount_opt;
active_logs = sbi->active_logs;
sbi->mount_opt.opt = 0;
sbi->active_logs = NR_CURSEG_TYPE;
/* parse mount options */
err = parse_options(sb, data);
if (err)