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UBIFS: switch to ubifs_leb_read

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Instead of using 'ubi_read()' function directly, used the 'ubifs_leb_read()'
helper function instead. This allows to get rid of several redundant error
messages and make sure that we always have a stack dump on read errors.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
2011-06-03 14:03:25 +03:00
committed by Artem Bityutskiy
parent 83cef708c6
commit d304820a1f
8 changed files with 40 additions and 47 deletions
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8
fs/ubifs/tnc.c
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@@ -462,7 +462,7 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type,
dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len);
err = ubi_read(c->ubi, lnum, buf, offs, len);
err = ubifs_leb_read(c, lnum, buf, offs, len, 1);
if (err) {
ubifs_err("cannot read node type %d from LEB %d:%d, error %d",
type, lnum, offs, err);
@@ -1666,7 +1666,7 @@ static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,
if (!overlap) {
/* We may safely unlock the write-buffer and read the data */
spin_unlock(&wbuf->lock);
return ubi_read(c->ubi, lnum, buf, offs, len);
return ubifs_leb_read(c, lnum, buf, offs, len, 0);
}
/* Don't read under wbuf */
@@ -1680,7 +1680,7 @@ static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,
if (rlen > 0)
/* Read everything that goes before write-buffer */
return ubi_read(c->ubi, lnum, buf, offs, rlen);
return ubifs_leb_read(c, lnum, buf, offs, rlen, 0);
return 0;
}
@@ -1767,7 +1767,7 @@ int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
if (wbuf)
err = read_wbuf(wbuf, bu->buf, len, lnum, offs);
else
err = ubi_read(c->ubi, lnum, bu->buf, offs, len);
err = ubifs_leb_read(c, lnum, bu->buf, offs, len, 0);
/* Check for a race with GC */
if (maybe_leb_gced(c, lnum, bu->gc_seq))