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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-03-03 19:22:53 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-03-08 13:29:09 +0200 |
| commit | 3edaae7c5bda085b7dc704fe379f35b85e6f493e (patch) | |
| tree | 40c8434ceff13de1c450a362b3f36dcb31c0e604 /fs/ubifs/find.c | |
| parent | ec32816f94a0baf90f5e73033dcdbc8679c7f91d (diff) | |
| download | blackbird-op-linux-3edaae7c5bda085b7dc704fe379f35b85e6f493e.tar.gz blackbird-op-linux-3edaae7c5bda085b7dc704fe379f35b85e6f493e.zip | |
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.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c index 717d79c97c5e..1d54383d1269 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: |
