diff options
| -rw-r--r-- | drivers/md/md.c | 78 | ||||
| -rw-r--r-- | drivers/md/md.h | 3 |
2 files changed, 42 insertions, 39 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 2089d46b0eb8..622ccb94c173 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2523,51 +2523,38 @@ struct rdev_sysfs_entry { static ssize_t state_show(struct md_rdev *rdev, char *page) { - char *sep = ""; + char *sep = ","; size_t len = 0; unsigned long flags = ACCESS_ONCE(rdev->flags); if (test_bit(Faulty, &flags) || - rdev->badblocks.unacked_exist) { - len+= sprintf(page+len, "%sfaulty",sep); - sep = ","; - } - if (test_bit(In_sync, &flags)) { - len += sprintf(page+len, "%sin_sync",sep); - sep = ","; - } - if (test_bit(Journal, &flags)) { - len += sprintf(page+len, "%sjournal",sep); - sep = ","; - } - if (test_bit(WriteMostly, &flags)) { - len += sprintf(page+len, "%swrite_mostly",sep); - sep = ","; - } + rdev->badblocks.unacked_exist) + len += sprintf(page+len, "faulty%s", sep); + if (test_bit(In_sync, &flags)) + len += sprintf(page+len, "in_sync%s", sep); + if (test_bit(Journal, &flags)) + len += sprintf(page+len, "journal%s", sep); + if (test_bit(WriteMostly, &flags)) + len += sprintf(page+len, "write_mostly%s", sep); if (test_bit(Blocked, &flags) || (rdev->badblocks.unacked_exist - && !test_bit(Faulty, &flags))) { - len += sprintf(page+len, "%sblocked", sep); - sep = ","; - } + && !test_bit(Faulty, &flags))) + len += sprintf(page+len, "blocked%s", sep); if (!test_bit(Faulty, &flags) && !test_bit(Journal, &flags) && - !test_bit(In_sync, &flags)) { - len += sprintf(page+len, "%sspare", sep); - sep = ","; - } - if (test_bit(WriteErrorSeen, &flags)) { - len += sprintf(page+len, "%swrite_error", sep); - sep = ","; - } - if (test_bit(WantReplacement, &flags)) { - len += sprintf(page+len, "%swant_replacement", sep); - sep = ","; - } - if (test_bit(Replacement, &flags)) { - len += sprintf(page+len, "%sreplacement", sep); - sep = ","; - } + !test_bit(In_sync, &flags)) + len += sprintf(page+len, "spare%s", sep); + if (test_bit(WriteErrorSeen, &flags)) + len += sprintf(page+len, "write_error%s", sep); + if (test_bit(WantReplacement, &flags)) + len += sprintf(page+len, "want_replacement%s", sep); + if (test_bit(Replacement, &flags)) + len += sprintf(page+len, "replacement%s", sep); + if (test_bit(ExternalBbl, &flags)) + len += sprintf(page+len, "external_bbl%s", sep); + + if (len) + len -= strlen(sep); return len+sprintf(page+len, "\n"); } @@ -2708,6 +2695,13 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len) } } else err = -EBUSY; + } else if (cmd_match(buf, "external_bbl") && (rdev->mddev->external)) { + set_bit(ExternalBbl, &rdev->flags); + rdev->badblocks.shift = 0; + err = 0; + } else if (cmd_match(buf, "-external_bbl") && (rdev->mddev->external)) { + clear_bit(ExternalBbl, &rdev->flags); + err = 0; } if (!err) sysfs_notify_dirent_safe(rdev->sysfs_state); @@ -8614,6 +8608,9 @@ int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors, rv = badblocks_set(&rdev->badblocks, s, sectors, 0); if (rv == 0) { /* Make sure they get written out promptly */ + if (test_bit(ExternalBbl, &rdev->flags)) + sysfs_notify(&rdev->kobj, NULL, + "unacknowledged_bad_blocks"); sysfs_notify_dirent_safe(rdev->sysfs_state); set_mask_bits(&mddev->flags, 0, BIT(MD_CHANGE_CLEAN) | BIT(MD_CHANGE_PENDING)); @@ -8627,12 +8624,15 @@ EXPORT_SYMBOL_GPL(rdev_set_badblocks); int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors, int is_new) { + int rv; if (is_new) s += rdev->new_data_offset; else s += rdev->data_offset; - return badblocks_clear(&rdev->badblocks, - s, sectors); + rv = badblocks_clear(&rdev->badblocks, s, sectors); + if ((rv == 0) && test_bit(ExternalBbl, &rdev->flags)) + sysfs_notify(&rdev->kobj, NULL, "bad_blocks"); + return rv; } EXPORT_SYMBOL_GPL(rdev_clear_badblocks); diff --git a/drivers/md/md.h b/drivers/md/md.h index 2b2041773e79..21bd94fad96a 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -168,6 +168,9 @@ enum flag_bits { * so it is safe to remove without * another synchronize_rcu() call. */ + ExternalBbl, /* External metadata provides bad + * block management for a disk + */ }; static inline int is_badblock(struct md_rdev *rdev, sector_t s, int sectors, |