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| author | Richard Weinberger <richard@nod.at> | 2014-10-29 10:31:41 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2015-03-26 22:47:36 +0100 |
| commit | 2f84c2469e2f2e94a45d86597baec10bfbf06847 (patch) | |
| tree | b0ad83d93c8cea978244fa7c579f5bf3a2e25fa6 /drivers/mtd/ubi/fastmap-wl.c | |
| parent | acfda79f8808518b0235eb9a13c8b5f762e43a75 (diff) | |
| download | talos-obmc-linux-2f84c2469e2f2e94a45d86597baec10bfbf06847.tar.gz talos-obmc-linux-2f84c2469e2f2e94a45d86597baec10bfbf06847.zip | |
UBI: Fastmap: Introduce may_reserve_for_fm()
...and kill another #ifdef.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd/ubi/fastmap-wl.c')
| -rw-r--r-- | drivers/mtd/ubi/fastmap-wl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c index 88a400c52418..c4717531b24c 100644 --- a/drivers/mtd/ubi/fastmap-wl.c +++ b/drivers/mtd/ubi/fastmap-wl.c @@ -359,3 +359,22 @@ static void ubi_fastmap_close(struct ubi_device *ubi) } kfree(ubi->fm); } + +/** + * may_reserve_for_fm - tests whether a PEB shall be reserved for fastmap. + * See find_mean_wl_entry() + * + * @ubi: UBI device description object + * @e: physical eraseblock to return + * @root: RB tree to test against. + */ +static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, + struct ubi_wl_entry *e, + struct rb_root *root) { + if (e && !ubi->fm_disabled && !ubi->fm && + e->pnum < UBI_FM_MAX_START) + e = rb_entry(rb_next(root->rb_node), + struct ubi_wl_entry, u.rb); + + return e; +} |
