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| author | Richard Weinberger <richard@nod.at> | 2016-06-14 10:12:13 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-07-29 23:32:39 +0200 |
| commit | 243a4f8126fcf7facb04b324dbb7c85d10b11ce9 (patch) | |
| tree | 83fd8f073260618a6a46ceb8e94ee7262bbcf430 /drivers/mtd/ubi | |
| parent | ubi: Fix scan_fast() comment (diff) | |
| download | linux-243a4f8126fcf7facb04b324dbb7c85d10b11ce9.tar.xz linux-243a4f8126fcf7facb04b324dbb7c85d10b11ce9.zip | |
ubi: Introduce vol_ignored()
This makes the logic more easy to follow.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd/ubi')
| -rw-r--r-- | drivers/mtd/ubi/attach.c | 24 | ||||
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 15 |
2 files changed, 33 insertions, 6 deletions
diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c index cc04ca89d899..6e5fb1decb4e 100644 --- a/drivers/mtd/ubi/attach.c +++ b/drivers/mtd/ubi/attach.c @@ -803,6 +803,20 @@ out_unlock: return err; } +static bool vol_ignored(int vol_id) +{ + switch (vol_id) { + case UBI_LAYOUT_VOLUME_ID: + return true; + } + +#ifdef CONFIG_MTD_UBI_FASTMAP + return ubi_is_fm_vol(vol_id); +#else + return false; +#endif +} + /** * scan_peb - scan and process UBI headers of a PEB. * @ubi: UBI device description object @@ -995,17 +1009,15 @@ static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai, *vid = vol_id; if (sqnum) *sqnum = be64_to_cpu(vidh->sqnum); - if (vol_id > UBI_MAX_VOLUMES && vol_id != UBI_LAYOUT_VOLUME_ID) { + if (vol_id > UBI_MAX_VOLUMES && !vol_ignored(vol_id)) { int lnum = be32_to_cpu(vidh->lnum); /* Unsupported internal volume */ switch (vidh->compat) { case UBI_COMPAT_DELETE: - if (vol_id != UBI_FM_SB_VOLUME_ID - && vol_id != UBI_FM_DATA_VOLUME_ID) { - ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", - vol_id, lnum); - } + ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", + vol_id, lnum); + err = add_to_list(ai, pnum, vol_id, lnum, ec, 1, &ai->erase); if (err) diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 61d4e99755a4..91075b603d82 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -1105,4 +1105,19 @@ static inline int idx2vol_id(const struct ubi_device *ubi, int idx) return idx; } +/** + * ubi_is_fm_vol - check whether a volume ID is a Fastmap volume. + * @vol_id: volume ID + */ +static inline bool ubi_is_fm_vol(int vol_id) +{ + switch (vol_id) { + case UBI_FM_SB_VOLUME_ID: + case UBI_FM_DATA_VOLUME_ID: + return true; + } + + return false; +} + #endif /* !__UBI_UBI_H__ */ |