marko10_000
/
btrfs-progs
forked from Mirrors/btrfs-progs
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

btrfs-progs: send-stream: document return values of some functions 

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-11-15 15:09:08 +01:00
parent bcf81d9457
commit 028476f19c
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
send-stream.c
View File

@ -37,6 +37,13 @@ struct btrfs_send_stream {
void *user; void *user;
}; };
/*
* Read len bytes to buf.
* Return:
* 0 - success
* < 0 - negative errno in case of error
* > 0 - no data read, EOF
*/
static int read_buf(struct btrfs_send_stream *sctx, char *buf, size_t len) static int read_buf(struct btrfs_send_stream *sctx, char *buf, size_t len)
{ {
int ret; int ret;
@ -68,6 +75,10 @@ out:
/* /*
* Reads a single command from kernel space and decodes the TLV's into * Reads a single command from kernel space and decodes the TLV's into
* sctx->cmd_attrs * sctx->cmd_attrs
*
* Returns:
* 0 - success
* < 0 - an error in the command
*/ */
static int read_cmd(struct btrfs_send_stream *sctx) static int read_cmd(struct btrfs_send_stream *sctx)
{ {