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e2fsck: skip clearing bad extents if bitmaps are unreadable 

If the bitmaps are known to be unreadable, don't bother clearing them;
just mark fsck to restart itself after pass 5, by which time the
bitmaps should be fixed.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
test-maint
Darrick J. Wong 2014-07-18 15:53:04 -07:00 committed by Theodore Ts'o
parent c4c93e2d74
commit 27a129f3c2
1 changed files with 20 additions and 0 deletions
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20
e2fsck/pass1.c
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@ -1816,6 +1816,26 @@ report_problem:
pctx->num = extent.e_len;
pctx->blkcount = extent.e_lblk + extent.e_len;
if (fix_problem(ctx, problem, pctx)) {
if (ctx->invalid_bitmaps) {
/*
* If fsck knows the bitmaps are bad,
* skip to the next extent and
* try to clear this extent again
* after fixing the bitmaps, by
* restarting fsck.
*/
pctx->errcode = ext2fs_extent_get(
ehandle,
EXT2_EXTENT_NEXT_SIB,
&extent);
ctx->flags |= E2F_FLAG_RESTART_LATER;
if (pctx->errcode ==
EXT2_ET_NO_CURRENT_NODE) {
pctx->errcode = 0;
break;
}
continue;
}
e2fsck_read_bitmaps(ctx);
pctx->errcode =
ext2fs_extent_delete(ehandle, 0);