diff options
author | David Sterba <dsterba@suse.com> | 2016-01-13 17:45:39 +0100 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2016-01-14 11:07:10 +0100 |
commit | 7afde59e38e78fa7c99d0b0d36718645c6a77c91 (patch) | |
tree | 5e2c095b356a1505a3bab1345d27ebdcd103abab | |
parent | 33ac47b5fb0b7202ac32b6ab018a5212b790c4f1 (diff) |
btrfs-progs: let test_issubvolume return the exact error
Return any error from stat, minor cleanups.
Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r-- | cmds-subvolume.c | 16 | ||||
-rw-r--r-- | commands.h | 2 |
2 files changed, 9 insertions, 9 deletions
diff --git a/cmds-subvolume.c b/cmds-subvolume.c index d4ef1021..9866c775 100644 --- a/cmds-subvolume.c +++ b/cmds-subvolume.c @@ -223,20 +223,20 @@ out: } /* - * test if path is a subvolume: - * this function return - * 0-> path exists but it is not a subvolume - * 1-> path exists and it is a subvolume - * -1 -> path is unaccessible + * Test if path is a subvolume + * Returns: + * 0 - path exists but it is not a subvolume + * 1 - path exists and it is a subvolume + * < 0 - error */ -int test_issubvolume(char *path) +int test_issubvolume(const char *path) { struct stat st; int res; res = stat(path, &st); - if(res < 0 ) - return -1; + if (res < 0) + return -errno; return (st.st_ino == BTRFS_FIRST_FREE_OBJECTID) && S_ISDIR(st.st_mode); @@ -126,7 +126,7 @@ int cmd_debug_tree(int argc, char **argv); int cmd_rescue(int argc, char **argv); /* subvolume exported functions */ -int test_issubvolume(char *path); +int test_issubvolume(const char *path); /* send.c */ char *get_subvol_name(char *mnt, char *full_path); |