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| author | David Sterba <dsterba@suse.cz> | 2015-06-25 19:36:06 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2015-06-25 19:36:06 +0200 |
| commit | dedb1ebeee847e3c4d71e14d0c1077887630e44a (patch) | |
| tree | 4eb7a46f146ad4ed262a9fb9bfd08810c4d942cc /cmds-filesystem.c | |
| parent | 96cfbbf0ea9fce7ecaa9e03964474f407f6e76ab (diff) | |
| download | btrfs-progs-dedb1ebeee847e3c4d71e14d0c1077887630e44a.tar.gz | |
btrfs-progs: defrag, check target extent earlier
Print a warning if the target extent size (option -t) is larger than 4G.
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'cmds-filesystem.c')
| -rw-r--r-- | cmds-filesystem.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cmds-filesystem.c b/cmds-filesystem.c index 72bb45b..675e41d 100644 --- a/cmds-filesystem.c +++ b/cmds-filesystem.c @@ -1170,6 +1170,11 @@ static int cmd_defrag(int argc, char **argv) break; case 't': thresh = parse_size(optarg); + if (thresh > (u32)-1) { + fprintf(stderr, + "WARNING: target extent size %llu too big, trimmed to %u", + thresh, (u32)-1); + } defrag_global_fancy_ioctl = 1; break; case 'r': @@ -1186,7 +1191,7 @@ static int cmd_defrag(int argc, char **argv) memset(&defrag_global_range, 0, sizeof(range)); defrag_global_range.start = start; defrag_global_range.len = len; - defrag_global_range.extent_thresh = thresh > (u32)-1 ? (u32)-1 : (u32)thresh; + defrag_global_range.extent_thresh = (u32)thresh; if (compress_type) { defrag_global_range.flags |= BTRFS_DEFRAG_RANGE_COMPRESS; defrag_global_range.compress_type = compress_type; |