The extent count calculation works correctly with the FIBMAP ioctl in verbose (-v) mode, but without the verbose option, the calculation was broken because we weren't properly updating the fm_ext data structures in non-verbose mode.
Addresses-Launchpad-Bug: #1356496 Signed-off-by: Theodore Ts'o <ty...@mit.edu> --- misc/filefrag.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/misc/filefrag.c b/misc/filefrag.c index d71bf43..c1a8684 100644 --- a/misc/filefrag.c +++ b/misc/filefrag.c @@ -329,16 +329,17 @@ static int filefrag_fibmap(int fd, int blk_shift, int *num_extents, print_extent_info(&fm_ext, *num_extents - 1, (last_block + 1) * st->st_blksize, blk_shift, st); - fm_ext.fe_logical = logical; - fm_ext.fe_physical = block * st->st_blksize; fm_ext.fe_length = 0; (*num_extents)++; } 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); + fm_ext.fe_length = 0; (*num_extents)++; } + fm_ext.fe_logical = logical; + fm_ext.fe_physical = block * st->st_blksize; fm_ext.fe_length += st->st_blksize; last_block = block; } -- 2.0.0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1356496 Title: filefrag shows wrong number of extents To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1356496/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs