2014-07-24 10:11:11

by Rakesh Pandit

[permalink] [raw]
Subject: [PATCH] filefrag: fix -B option and extents calculation for FIBMAP

29758d2 broke -B option which is useful for filesystems not supporting
FIEMAP. Also, fix extents calculation for -B which is broken since
2508eaa7.

Signed-off-by: Rakesh Pandit <[email protected]>
---
misc/filefrag.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/misc/filefrag.c b/misc/filefrag.c
index 820821b..bb060b6 100644
--- a/misc/filefrag.c
+++ b/misc/filefrag.c
@@ -331,9 +331,10 @@ static int filefrag_fibmap(int fd, int blk_shift, int *num_extents,
fm_ext.fe_physical = block * st->st_blksize;
fm_ext.fe_length = 0;
(*num_extents)++;
- } else if (verbose && last_block && (block != last_block + 1)) {
- printf("Discontinuity: Block %ld is at %lu (was %lu)\n",
- i, block, last_block + 1);
+ } else if (last_block && (block != last_block + 1)) {
+ if (verbose)
+ printf("Discontinuity: Block %ld is at %lu (was "
+ "%lu)\n", i, block, last_block + 1);
(*num_extents)++;
}
fm_ext.fe_length += st->st_blksize;
@@ -439,7 +440,7 @@ static int frag_report(const char *filename)
expected = 0;
}

- if (rc < 0) {
+ if (force_bmap || rc < 0) {
expected = filefrag_fibmap(fd, blk_shift, &num_extents,
&st, numblocks, is_ext2);
if (expected < 0) {
--
1.9.3



2014-07-28 00:01:55

by Theodore Ts'o

[permalink] [raw]
Subject: Re: [PATCH] filefrag: fix -B option and extents calculation for FIBMAP

On Thu, Jul 24, 2014 at 01:05:40PM +0300, Rakesh Pandit wrote:
> 29758d2 broke -B option which is useful for filesystems not supporting
> FIEMAP. Also, fix extents calculation for -B which is broken since
> 2508eaa7.
>
> Signed-off-by: Rakesh Pandit <[email protected]>

Applied, thanks.

- Ted