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UBIFS: improve error messages

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Ricard complaints that the following error message is odd:

"UBIFS error (pid 1578): validate_sb: bad superblock, error 8"

and he is right. This patch improves the error messages a bit and makes
them more user-friendly.

Reported-by: Ricard Wanderlof <ricard.wanderlof@axis.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Artem Bityutskiy 2012-03-07 16:29:45 +02:00
parent 7ca58bad69
commit 5a1f36c90c
1 changed files with 14 additions and 5 deletions
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19
fs/ubifs/sb.c
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@ -410,13 +410,23 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
}
if (c->main_lebs < UBIFS_MIN_MAIN_LEBS) {
err = 7;
ubifs_err("too few main LEBs count %d, must be at least %d",
c->main_lebs, UBIFS_MIN_MAIN_LEBS);
goto failed;
}
if (c->max_bud_bytes < (long long)c->leb_size * UBIFS_MIN_BUD_LEBS ||
c->max_bud_bytes > (long long)c->leb_size * c->main_lebs) {
err = 8;
max_bytes = (long long)c->leb_size * UBIFS_MIN_BUD_LEBS;
if (c->max_bud_bytes < max_bytes) {
ubifs_err("too small journal (%lld bytes), must be at least "
"%lld bytes", c->max_bud_bytes, max_bytes);
goto failed;
}
max_bytes = (long long)c->leb_size * c->main_lebs;
if (c->max_bud_bytes > max_bytes) {
ubifs_err("too large journal size (%lld bytes), only %lld bytes"
"available in the main area",
c->max_bud_bytes, max_bytes);
goto failed;
}
@ -450,7 +460,6 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
goto failed;
}
max_bytes = c->main_lebs * (long long)c->leb_size;
if (c->rp_size < 0 || max_bytes < c->rp_size) {
err = 14;
goto failed;