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UBIFS: fix-up free space on mount if flag is set

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If a UBIFS filesystem is being mounted read-write, or is being remounted
from read-only to read-write, check for the "space_fixup" flag and fix
all LEBs containing empty space if necessary.

Artem: tweaked the patch a bit

Signed-off-by: Matthew L. Creech <mlcreech@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Matthew L. Creech 2011-05-06 18:58:23 -04:00 committed by Artem Bityutskiy
parent 6554a65781
commit 9d510db423
1 changed files with 13 additions and 0 deletions
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13
fs/ubifs/super.c
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@ -1396,6 +1396,12 @@ static int mount_ubifs(struct ubifs_info *c)
} else
ubifs_assert(c->lst.taken_empty_lebs > 0);
if (!c->ro_mount && c->space_fixup) {
err = ubifs_fixup_free_space(c);
if (err)
goto out_infos;
}
err = dbg_check_filesystem(c);
if (err)
goto out_infos;
@ -1686,6 +1692,13 @@ static int ubifs_remount_rw(struct ubifs_info *c)
*/
err = dbg_check_space_info(c);
}
if (c->space_fixup) {
err = ubifs_fixup_free_space(c);
if (err)
goto out;
}
mutex_unlock(&c->umount_mutex);
return err;