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authorIngo Molnar <mingo@elte.hu>2008-09-10 14:05:45 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 14:05:45 +0200
commit3ce9bcb583536c45a46c7302747029450e22279c (patch)
tree7a4167189ffc6dc909151d1a5d040f9f0656a9f4 /fs/ubifs/find.c
parent26fd10517e810dd59ea050b052de24a75ee6dc07 (diff)
parentf7d0b926ac8c8ec0c7a83ee69409bd2e6bb39f81 (diff)
downloadop-kernel-dev-3ce9bcb583536c45a46c7302747029450e22279c.zip
op-kernel-dev-3ce9bcb583536c45a46c7302747029450e22279c.tar.gz
Merge branch 'core/xen' into x86/xen
Diffstat (limited to 'fs/ubifs/find.c')
-rw-r--r--fs/ubifs/find.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index adee7b5..e045c8b 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -211,14 +211,8 @@ static const struct ubifs_lprops *scan_for_dirty(struct ubifs_info *c,
* dirty index heap, and it falls-back to LPT scanning if the heaps are empty
* or do not have an LEB which satisfies the @min_space criteria.
*
- * Note:
- * o LEBs which have less than dead watermark of dirty space are never picked
- * by this function;
- *
- * Returns zero and the LEB properties of
- * found dirty LEB in case of success, %-ENOSPC if no dirty LEB was found and a
- * negative error code in case of other failures. The returned LEB is marked as
- * "taken".
+ * Note, LEBs which have less than dead watermark of free + dirty space are
+ * never picked by this function.
*
* The additional @pick_free argument controls if this function has to return a
* free or freeable LEB if one is present. For example, GC must to set it to %1,
@@ -231,6 +225,10 @@ static const struct ubifs_lprops *scan_for_dirty(struct ubifs_info *c,
*
* In addition @pick_free is set to %2 by the recovery process in order to
* recover gc_lnum in which case an index LEB must not be returned.
+ *
+ * This function returns zero and the LEB properties of found dirty LEB in case
+ * of success, %-ENOSPC if no dirty LEB was found and a negative error code in
+ * case of other failures. The returned LEB is marked as "taken".
*/
int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
int min_space, int pick_free)
@@ -245,7 +243,7 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
int lebs, rsvd_idx_lebs = 0;
spin_lock(&c->space_lock);
- lebs = c->lst.empty_lebs;
+ lebs = c->lst.empty_lebs + c->idx_gc_cnt;
lebs += c->freeable_cnt - c->lst.taken_empty_lebs;
/*
@@ -317,7 +315,7 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
lp = idx_lp;
if (lp) {
- ubifs_assert(lp->dirty >= c->dead_wm);
+ ubifs_assert(lp->free + lp->dirty >= c->dead_wm);
goto found;
}
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