From a7aa733d2802eee2f4f2d24eca4378997b89bfbb Mon Sep 17 00:00:00 2001 From: Anand Avati Date: Mon, 15 Apr 2013 09:52:35 -0700 Subject: gfapi: POSIX locking support Change-Id: I37d9e1fb4a715094876be6af3856c1b4cf398021 BUG: 953694 Signed-off-by: Anand Avati Reviewed-on: http://review.gluster.org/5155 Tested-by: Gluster Build System Reviewed-by: Vijay Bellur --- api/src/glfs-fops.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'api/src/glfs-fops.c') diff --git a/api/src/glfs-fops.c b/api/src/glfs-fops.c index 3ce930f27..61c524eaf 100644 --- a/api/src/glfs-fops.c +++ b/api/src/glfs-fops.c @@ -2315,3 +2315,49 @@ out: return buf; } + + +static void +gf_flock_to_flock (struct gf_flock *gf_flock, struct flock *flock) +{ + flock->l_type = gf_flock->l_type; + flock->l_whence = gf_flock->l_whence; + flock->l_start = gf_flock->l_start; + flock->l_len = gf_flock->l_len; + flock->l_pid = gf_flock->l_pid; +} + + +static void +gf_flock_from_flock (struct gf_flock *gf_flock, struct flock *flock) +{ + gf_flock->l_type = flock->l_type; + gf_flock->l_whence = flock->l_whence; + gf_flock->l_start = flock->l_start; + gf_flock->l_len = flock->l_len; + gf_flock->l_pid = flock->l_pid; +} + + +int +glfs_posix_lock (struct glfs_fd *glfd, int cmd, struct flock *flock) +{ + int ret = -1; + xlator_t *subvol = NULL; + struct gf_flock gf_flock = {0, }; + + __glfs_entry_fd (glfd); + + subvol = glfs_fd_subvol (glfd); + if (!subvol) { + ret = -1; + errno = EIO; + goto out; + } + + gf_flock_from_flock (&gf_flock, flock); + ret = syncop_lk (subvol, glfd->fd, cmd, &gf_flock); + gf_flock_to_flock (&gf_flock, flock); +out: + return ret; +} -- cgit