diff options
Diffstat (limited to 'fs/splice.c')
| -rw-r--r-- | fs/splice.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/splice.c b/fs/splice.c index f183f1342c01..3b94a6bba29f 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -949,6 +949,7 @@ ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, struct splice_desc *sd, splice_from_pipe_begin(sd); do { + cond_resched(); ret = splice_from_pipe_next(pipe, sd); if (ret > 0) ret = splice_from_pipe_feed(pipe, sd, actor); @@ -1189,7 +1190,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd, long ret, bytes; umode_t i_mode; size_t len; - int i, flags; + int i, flags, more; /* * We require the input being a regular file, as we don't want to @@ -1232,6 +1233,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd, * Don't block on output, we have to drain the direct pipe. */ sd->flags &= ~SPLICE_F_NONBLOCK; + more = sd->flags & SPLICE_F_MORE; while (len) { size_t read_len; @@ -1245,6 +1247,15 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd, sd->total_len = read_len; /* + * If more data is pending, set SPLICE_F_MORE + * If this is the last data and SPLICE_F_MORE was not set + * initially, clears it. + */ + if (read_len < len) + sd->flags |= SPLICE_F_MORE; + else if (!more) + sd->flags &= ~SPLICE_F_MORE; + /* * NOTE: nonblocking mode only applies to the input. We * must not do the output in nonblocking mode as then we * could get stuck data in the internal pipe: |