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author | Wang Shilong <wangsl.fnst@cn.fujitsu.com> | 2014-03-11 18:29:08 +0800 |
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committer | Chris Mason <clm@fb.com> | 2014-03-21 09:51:31 -0700 |
commit | 3bb703dcaec52b187526e5a0a5faf145ab18a716 (patch) | |
tree | 9968ba999b7486a1d0824aa79935f0e53c1cb608 /mkfs.c | |
parent | d1fffb0221509e8a5c844e9ca9b27a340c35cb53 (diff) |
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>
Diffstat (limited to 'mkfs.c')
-rw-r--r-- | mkfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -619,6 +619,9 @@ static int add_file_items(struct btrfs_trans_handle *trans, struct extent_buffer *eb = NULL; int fd; + if (st->st_size == 0) + return 0; + fd = open(path_name, O_RDONLY); if (fd == -1) { fprintf(stderr, "%s open failed\n", path_name); |