From 0195a7bb36a0abc71145da419001377bf56662fd Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Thu, 22 Oct 2015 06:19:21 +0200 Subject: ubi,ubifs: sync with linux v4.2 sync with linux v4.2 commit 64291f7db5bd8150a74ad2036f1037e6a0428df2 Author: Linus Torvalds Date: Sun Aug 30 11:34:09 2015 -0700 Linux 4.2 This update is needed, as it turned out, that fastmap was in experimental/broken state in kernel v3.15, which was the last base for U-Boot. Signed-off-by: Heiko Schocher Tested-by: Ezequiel Garcia --- fs/ubifs/replay.c | 51 ++++++++++++++++++++++++++++++++------------------- 1 file changed, 32 insertions(+), 19 deletions(-) (limited to 'fs/ubifs/replay.c') diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c index 1064cb29ba..d0fcd83058 100644 --- a/fs/ubifs/replay.c +++ b/fs/ubifs/replay.c @@ -451,13 +451,13 @@ int ubifs_validate_entry(struct ubifs_info *c, nlen > UBIFS_MAX_NLEN || dent->name[nlen] != 0 || strnlen(dent->name, nlen) != nlen || le64_to_cpu(dent->inum) > MAX_INUM) { - ubifs_err("bad %s node", key_type == UBIFS_DENT_KEY ? + ubifs_err(c, "bad %s node", key_type == UBIFS_DENT_KEY ? "directory entry" : "extended attribute entry"); return -EINVAL; } if (key_type != UBIFS_DENT_KEY && key_type != UBIFS_XENT_KEY) { - ubifs_err("bad key type %d", key_type); + ubifs_err(c, "bad key type %d", key_type); return -EINVAL; } @@ -582,7 +582,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b) cond_resched(); if (snod->sqnum >= SQNUM_WATERMARK) { - ubifs_err("file system's life ended"); + ubifs_err(c, "file system's life ended"); goto out_dump; } @@ -640,7 +640,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b) if (old_size < 0 || old_size > c->max_inode_sz || new_size < 0 || new_size > c->max_inode_sz || old_size <= new_size) { - ubifs_err("bad truncation node"); + ubifs_err(c, "bad truncation node"); goto out_dump; } @@ -655,7 +655,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b) break; } default: - ubifs_err("unexpected node type %d in bud LEB %d:%d", + ubifs_err(c, "unexpected node type %d in bud LEB %d:%d", snod->type, lnum, snod->offs); err = -EINVAL; goto out_dump; @@ -678,7 +678,7 @@ out: return err; out_dump: - ubifs_err("bad node is at LEB %d:%d", lnum, snod->offs); + ubifs_err(c, "bad node is at LEB %d:%d", lnum, snod->offs); ubifs_dump_node(c, snod->node); ubifs_scan_destroy(sleb); return -EINVAL; @@ -798,7 +798,7 @@ static int validate_ref(struct ubifs_info *c, const struct ubifs_ref_node *ref) if (bud) { if (bud->jhead == jhead && bud->start <= offs) return 1; - ubifs_err("bud at LEB %d:%d was already referred", lnum, offs); + ubifs_err(c, "bud at LEB %d:%d was already referred", lnum, offs); return -EINVAL; } @@ -854,12 +854,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf) * numbers. */ if (snod->type != UBIFS_CS_NODE) { - ubifs_err("first log node at LEB %d:%d is not CS node", + ubifs_err(c, "first log node at LEB %d:%d is not CS node", lnum, offs); goto out_dump; } if (le64_to_cpu(node->cmt_no) != c->cmt_no) { - ubifs_err("first CS node at LEB %d:%d has wrong commit number %llu expected %llu", + ubifs_err(c, "first CS node at LEB %d:%d has wrong commit number %llu expected %llu", lnum, offs, (unsigned long long)le64_to_cpu(node->cmt_no), c->cmt_no); @@ -884,7 +884,7 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf) /* Make sure the first node sits at offset zero of the LEB */ if (snod->offs != 0) { - ubifs_err("first node is not at zero offset"); + ubifs_err(c, "first node is not at zero offset"); goto out_dump; } @@ -892,12 +892,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf) cond_resched(); if (snod->sqnum >= SQNUM_WATERMARK) { - ubifs_err("file system's life ended"); + ubifs_err(c, "file system's life ended"); goto out_dump; } if (snod->sqnum < c->cs_sqnum) { - ubifs_err("bad sqnum %llu, commit sqnum %llu", + ubifs_err(c, "bad sqnum %llu, commit sqnum %llu", snod->sqnum, c->cs_sqnum); goto out_dump; } @@ -927,12 +927,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf) case UBIFS_CS_NODE: /* Make sure it sits at the beginning of LEB */ if (snod->offs != 0) { - ubifs_err("unexpected node in log"); + ubifs_err(c, "unexpected node in log"); goto out_dump; } break; default: - ubifs_err("unexpected node in log"); + ubifs_err(c, "unexpected node in log"); goto out_dump; } } @@ -948,7 +948,7 @@ out: return err; out_dump: - ubifs_err("log error detected while replaying the log at LEB %d:%d", + ubifs_err(c, "log error detected while replaying the log at LEB %d:%d", lnum, offs + snod->offs); ubifs_dump_node(c, snod->node); ubifs_scan_destroy(sleb); @@ -1010,7 +1010,7 @@ int ubifs_replay_journal(struct ubifs_info *c) return free; /* Error code */ if (c->ihead_offs != c->leb_size - free) { - ubifs_err("bad index head LEB %d:%d", c->ihead_lnum, + ubifs_err(c, "bad index head LEB %d:%d", c->ihead_lnum, c->ihead_offs); return -EINVAL; } @@ -1021,9 +1021,22 @@ int ubifs_replay_journal(struct ubifs_info *c) do { err = replay_log_leb(c, lnum, 0, c->sbuf); - if (err == 1) - /* We hit the end of the log */ - break; + if (err == 1) { + if (lnum != c->lhead_lnum) + /* We hit the end of the log */ + break; + + /* + * The head of the log must always start with the + * "commit start" node on a properly formatted UBIFS. + * But we found no nodes at all, which means that + * someting went wrong and we cannot proceed mounting + * the file-system. + */ + ubifs_err(c, "no UBIFS nodes found at the log head LEB %d:%d, possibly corrupted", + lnum, 0); + err = -EINVAL; + } if (err) goto out; lnum = ubifs_next_log_lnum(c, lnum); -- cgit v1.2.1