RepoMirrors
/
btrfs-progs
mirror of https://github.com/kdave/btrfs-progs
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Btrfs-progs: mkfs: don't create extent for an empty file 

Steps to reproduce:
 # mkdir -p /tmp/test
 # touch /tmp/test/file
 # mkfs.btrfs -f /dev/sda13 -r /tmp/test
 # btrfs check /dev/sda13

For an empty file, don't create extent data for it.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Wang Shilong 2014-03-11 18:29:08 +08:00 committed by Chris Mason
parent d1fffb0221
commit 3bb703dcae
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
mkfs.c
View File

@ -619,6 +619,9 @@ static int add_file_items(struct btrfs_trans_handle *trans,
struct extent_buffer *eb = NULL; struct extent_buffer *eb = NULL;
int fd; int fd;
if (st->st_size == 0)
return 0;
fd = open(path_name, O_RDONLY); fd = open(path_name, O_RDONLY);
if (fd == -1) { if (fd == -1) {
fprintf(stderr, "%s open failed\n", path_name); fprintf(stderr, "%s open failed\n", path_name);