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Commit 9d510db4 authored by Matthew L. Creech's avatar Matthew L. Creech Committed by Artem Bityutskiy
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UBIFS: fix-up free space on mount if flag is set



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: default avatarMatthew L. Creech <mlcreech@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent 6554a657
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+13 −0
Original line number Diff line number Diff line
@@ -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;