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-rw-r--r--fs/ubifs/io.c20
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;