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authorPranith Kumar K <pkarampu@redhat.com>2013-07-30 12:28:47 +0530
committerVijay Bellur <vbellur@redhat.com>2013-08-02 02:11:29 -0700
commit423aa0d57a031e865374d18cdcc489273317d785 (patch)
treea56ad18294759a62d07fda39a2d4ac0556a06c04 /xlators/storage
parenta1ece79c84c0306d38cb42cfa947dbc387af3ad0 (diff)
storage/posix: Enable Open-fd-count query in writev
Change-Id: I86bdf865730416150c10617dcbad5c037579acde BUG: 910217 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/5433 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/storage')
-rw-r--r--xlators/storage/posix/src/posix.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index 0a70302..e9502bf 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -2198,6 +2198,40 @@ err:
return op_ret;
}
+dict_t*
+_fill_open_fd_count (fd_t *fd, dict_t *xdata, xlator_t *this)
+{
+ dict_t *rsp_xdata = NULL;
+ int32_t ret = 0;
+ inode_t *inode = NULL;
+
+ if (fd)
+ inode = fd->inode;
+
+ if (!fd || !fd->inode || uuid_is_null (fd->inode->gfid)) {
+ gf_log_callingfn (this->name, GF_LOG_ERROR, "Invalid Args: "
+ "fd: %p inode: %p gfid:%s", fd, inode?inode:0,
+ inode?uuid_utoa(inode->gfid):"N/A");
+ goto out;
+ }
+
+ if (!xdata || !dict_get (xdata, GLUSTERFS_OPEN_FD_COUNT))
+ goto out;
+
+ rsp_xdata = dict_new();
+ if (!rsp_xdata)
+ goto out;
+
+ ret = dict_set_uint32 (rsp_xdata, GLUSTERFS_OPEN_FD_COUNT,
+ fd->inode->fd_count);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING, "%s: Failed to set "
+ "dictionary value for %s", uuid_utoa (fd->inode->gfid),
+ GLUSTERFS_OPEN_FD_COUNT);
+ }
+out:
+ return rsp_xdata;
+}
int32_t
posix_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
@@ -2212,6 +2246,7 @@ posix_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iatt preop = {0,};
struct iatt postop = {0,};
int ret = -1;
+ dict_t *rsp_xdata = NULL;
VALIDATE_OR_GOTO (frame, out);
VALIDATE_OR_GOTO (this, out);
@@ -2259,6 +2294,7 @@ posix_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
UNLOCK (&priv->lock);
if (op_ret >= 0) {
+ rsp_xdata = _fill_open_fd_count (fd, xdata, this);
/* wiretv successful, we also need to get the stat of
* the file we wrote to
*/
@@ -2289,8 +2325,10 @@ posix_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
out:
STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, &preop, &postop,
- NULL);
+ rsp_xdata);
+ if (rsp_xdata)
+ dict_unref (rsp_xdata);
return 0;
}