diff options
Diffstat (limited to 'fs/ubifs/io.c')
| -rw-r--r-- | fs/ubifs/io.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index bcf5a16f30b..d82173182ee 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -61,8 +61,8 @@ */ void ubifs_ro_mode(struct ubifs_info *c, int err) { - if (!c->ro_media) { - c->ro_media = 1; + if (!c->ro_error) { + c->ro_error = 1; c->no_chk_data_crc = 0; c->vfs_sb->s_flags |= MS_RDONLY; ubifs_warn("switched to read-only mode, error %d", err); @@ -356,11 +356,11 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf) dbg_io("LEB %d:%d, %d bytes, jhead %s", wbuf->lnum, wbuf->offs, wbuf->used, dbg_jhead(wbuf->jhead)); - ubifs_assert(!(c->vfs_sb->s_flags & MS_RDONLY)); ubifs_assert(!(wbuf->avail & 7)); ubifs_assert(wbuf->offs + c->min_io_size <= c->leb_size); + ubifs_assert(!c->ro_media && !c->ro_mount); - if (c->ro_media) + if (c->ro_error) return -EROFS; ubifs_pad(c, wbuf->buf + wbuf->used, wbuf->avail); @@ -440,11 +440,12 @@ int ubifs_bg_wbufs_sync(struct ubifs_info *c) { int err, i; + ubifs_assert(!c->ro_media && !c->ro_mount); if (!c->need_wbuf_sync) return 0; c->need_wbuf_sync = 0; - if (c->ro_media) { + if (c->ro_error) { err = -EROFS; goto out_timers; } @@ -519,6 +520,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) ubifs_assert(!(wbuf->offs & 7) && wbuf->offs <= c->leb_size); ubifs_assert(wbuf->avail > 0 && wbuf->avail <= c->min_io_size); ubifs_assert(mutex_is_locked(&wbuf->io_mutex)); + ubifs_assert(!c->ro_media && !c->ro_mount); if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) { err = -ENOSPC; @@ -527,7 +529,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) cancel_wbuf_timer_nolock(wbuf); - if (c->ro_media) + if (c->ro_error) return -EROFS; if (aligned_len <= wbuf->avail) { @@ -663,8 +665,9 @@ int ubifs_write_node(struct ubifs_info *c, void *buf, int len, int lnum, buf_len); ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0); ubifs_assert(offs % c->min_io_size == 0 && offs < c->leb_size); + ubifs_assert(!c->ro_media && !c->ro_mount); - if (c->ro_media) + if (c->ro_error) return -EROFS; ubifs_prepare_node(c, buf, len, 1); @@ -815,7 +818,8 @@ int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len, return 0; out: - ubifs_err("bad node at LEB %d:%d", lnum, offs); + ubifs_err("bad node at LEB %d:%d, LEB mapping status %d", lnum, offs, + ubi_is_mapped(c->ubi, lnum)); dbg_dump_node(c, buf); dbg_dump_stack(); return -EINVAL; |