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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-03-03 19:22:53 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2009-03-08 13:29:09 +0200
commit3edaae7c5bda085b7dc704fe379f35b85e6f493e (patch)
tree40c8434ceff13de1c450a362b3f36dcb31c0e604 /fs/ubifs/find.c
parentec32816f94a0baf90f5e73033dcdbc8679c7f91d (diff)
downloadop-kernel-dev-3edaae7c5bda085b7dc704fe379f35b85e6f493e.zip
op-kernel-dev-3edaae7c5bda085b7dc704fe379f35b85e6f493e.tar.gz
UBIFS: improve find function interface
Make 'ubifs_find_free_space()' return offset where free space starts, rather than the amount of free space. This is just more appropriat for its caller. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/find.c')
-rw-r--r--fs/ubifs/find.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 717d79c..1d54383 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -478,7 +478,7 @@ const struct ubifs_lprops *do_find_free_space(struct ubifs_info *c,
* ubifs_find_free_space - find a data LEB with free space.
* @c: the UBIFS file-system description object
* @min_space: minimum amount of required free space
- * @free: contains amount of free space in the LEB on exit
+ * @offs: contains offset of where free space starts on exit
* @squeeze: whether to try to find space in a non-empty LEB first
*
* This function looks for an LEB with at least @min_space bytes of free space.
@@ -490,7 +490,7 @@ const struct ubifs_lprops *do_find_free_space(struct ubifs_info *c,
* failed to find a LEB with @min_space bytes of free space and other a negative
* error codes in case of failure.
*/
-int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *free,
+int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *offs,
int squeeze)
{
const struct ubifs_lprops *lprops;
@@ -558,10 +558,10 @@ int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *free,
spin_unlock(&c->space_lock);
}
- *free = lprops->free;
+ *offs = c->leb_size - lprops->free;
ubifs_release_lprops(c);
- if (*free == c->leb_size) {
+ if (*offs == 0) {
/*
* Ensure that empty LEBs have been unmapped. They may not have
* been, for example, because of an unclean unmount. Also
@@ -573,8 +573,8 @@ int ubifs_find_free_space(struct ubifs_info *c, int min_space, int *free,
return err;
}
- dbg_find("found LEB %d, free %d", lnum, *free);
- ubifs_assert(*free >= min_space);
+ dbg_find("found LEB %d, free %d", lnum, c->leb_size - *offs);
+ ubifs_assert(*offs <= c->leb_size - min_space);
return lnum;
out:
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