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authorAmar Tumballi <amarts@redhat.com>2012-03-20 17:22:24 +0530
committerAnand Avati <avati@redhat.com>2012-03-22 16:40:27 -0700
commit9d3af972f516b6ba38d2736ce2016e34a452d569 (patch)
tree1dcdc620748a42cdfb5464c3adaae5a4a3a6f869 /xlators/features/locks/src/posix.c
parentafe542eca18888463798747d2a95e5a9d239a4a0 (diff)
core: adding extra data for fops
with this change, the xlator APIs will have a dictionary as extra argument, which is passed between all the layers. This can be utilized for overloading in some of the operations. Change-Id: I58a8186b3ef647650280e63f3e5e9b9de7827b40 Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 782265 Reviewed-on: http://review.gluster.com/2960 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/features/locks/src/posix.c')
-rw-r--r--xlators/features/locks/src/posix.c194
1 files changed, 105 insertions, 89 deletions
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index 39991299c7f..81cfc7f9178 100644
--- a/xlators/features/locks/src/posix.c
+++ b/xlators/features/locks/src/posix.c
@@ -102,7 +102,7 @@ out:
int
pl_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf)
+ struct iatt *postbuf, dict_t *xdata)
{
pl_local_t *local = NULL;
@@ -111,8 +111,13 @@ pl_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
if (local->op == TRUNCATE)
loc_wipe (&local->loc);
+ if (local->xdata)
+ dict_unref (local->xdata);
+ if (local->fd)
+ fd_unref (local->fd);
+
STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno,
- prebuf, postbuf);
+ prebuf, postbuf, xdata);
return 0;
}
@@ -153,7 +158,8 @@ truncate_allowed (pl_inode_t *pl_inode,
static int
truncate_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *buf)
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ dict_t *xdata)
{
posix_locks_private_t *priv = NULL;
pl_local_t *local = NULL;
@@ -197,12 +203,12 @@ truncate_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
case TRUNCATE:
STACK_WIND (frame, pl_truncate_cbk, FIRST_CHILD (this),
FIRST_CHILD (this)->fops->truncate,
- &local->loc, local->offset);
+ &local->loc, local->offset, local->xdata);
break;
case FTRUNCATE:
STACK_WIND (frame, pl_truncate_cbk, FIRST_CHILD (this),
FIRST_CHILD (this)->fops->ftruncate,
- local->fd, local->offset);
+ local->fd, local->offset, local->xdata);
break;
}
@@ -214,14 +220,14 @@ unwind:
if (local->op == TRUNCATE)
loc_wipe (&local->loc);
- STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, buf, NULL);
+ STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, buf, NULL, xdata);
return 0;
}
int
pl_truncate (call_frame_t *frame, xlator_t *this,
- loc_t *loc, off_t offset)
+ loc_t *loc, off_t offset, dict_t *xdata)
{
pl_local_t *local = NULL;
@@ -231,18 +237,19 @@ pl_truncate (call_frame_t *frame, xlator_t *this,
local->op = TRUNCATE;
local->offset = offset;
loc_copy (&local->loc, loc);
+ local->xdata = dict_ref (xdata);
frame->local = local;
STACK_WIND (frame, truncate_stat_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->stat, loc);
+ FIRST_CHILD (this)->fops->stat, loc, NULL);
return 0;
unwind:
gf_log (this->name, GF_LOG_ERROR, "truncate for %s failed with ret: %d, "
"error: %s", loc->path, -1, strerror (ENOMEM));
- STACK_UNWIND_STRICT (truncate, frame, -1, ENOMEM, NULL, NULL);
+ STACK_UNWIND_STRICT (truncate, frame, -1, ENOMEM, NULL, NULL, NULL);
return 0;
}
@@ -250,7 +257,7 @@ unwind:
int
pl_ftruncate (call_frame_t *frame, xlator_t *this,
- fd_t *fd, off_t offset)
+ fd_t *fd, off_t offset, dict_t *xdata)
{
pl_local_t *local = NULL;
@@ -259,18 +266,19 @@ pl_ftruncate (call_frame_t *frame, xlator_t *this,
local->op = FTRUNCATE;
local->offset = offset;
- local->fd = fd;
+ local->fd = fd_ref (fd);
+ local->xdata = dict_ref (xdata);
frame->local = local;
STACK_WIND (frame, truncate_stat_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->fstat, fd);
+ FIRST_CHILD(this)->fops->fstat, fd, xdata);
return 0;
unwind:
gf_log (this->name, GF_LOG_ERROR, "ftruncate failed with ret: %d, "
"error: %s", -1, strerror (ENOMEM));
- STACK_UNWIND_STRICT (ftruncate, frame, -1, ENOMEM, NULL, NULL);
+ STACK_UNWIND_STRICT (ftruncate, frame, -1, ENOMEM, NULL, NULL, NULL);
return 0;
}
@@ -325,7 +333,8 @@ delete_locks_of_fd (xlator_t *this, pl_inode_t *pl_inode, fd_t *fd)
list_for_each_entry_safe (l, tmp, &blocked_list, list) {
list_del_init(&l->list);
- STACK_UNWIND_STRICT (lk, l->frame, -1, EAGAIN, &l->user_flock);
+ STACK_UNWIND_STRICT (lk, l->frame, -1, EAGAIN, &l->user_flock,
+ NULL);
__destroy_lock (l);
}
@@ -368,16 +377,16 @@ __delete_locks_of_owner (pl_inode_t *pl_inode,
int32_t
pl_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict)
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict);
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict, xdata);
return 0;
}
int32_t
pl_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
- const char *name)
+ const char *name, dict_t *xdata)
{
int op_errno = EINVAL;
int op_ret = -1;
@@ -457,7 +466,7 @@ pl_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
op_ret = 0;
out:
- STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict);
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict, xdata);
if (args.opts)
GF_FREE (args.opts);
@@ -469,17 +478,17 @@ out:
usual:
STACK_WIND (frame, pl_getxattr_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->getxattr, loc, name);
+ FIRST_CHILD(this)->fops->getxattr, loc, name, xdata);
return 0;
}
int32_t
pl_opendir_cbk (call_frame_t *frame,
- void *cookie,
- xlator_t *this,
- int32_t op_ret,
- int32_t op_errno,
- fd_t *fd)
+ void *cookie,
+ xlator_t *this,
+ int32_t op_ret,
+ int32_t op_errno,
+ fd_t *fd, dict_t *xdata)
{
pl_fdctx_t *fdctx = NULL;
@@ -498,28 +507,28 @@ unwind:
frame,
op_ret,
op_errno,
- fd);
+ fd, xdata);
return 0;
}
int32_t
pl_opendir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, fd_t *fd)
+ loc_t *loc, fd_t *fd, dict_t *xdata)
{
STACK_WIND (frame,
pl_opendir_cbk,
FIRST_CHILD(this),
FIRST_CHILD(this)->fops->opendir,
- loc, fd);
+ loc, fd, xdata);
return 0;
}
int
pl_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- STACK_UNWIND_STRICT (flush, frame, op_ret, op_errno);
+ STACK_UNWIND_STRICT (flush, frame, op_ret, op_errno, xdata);
return 0;
}
@@ -527,7 +536,7 @@ pl_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int
pl_flush (call_frame_t *frame, xlator_t *this,
- fd_t *fd)
+ fd_t *fd, dict_t *xdata)
{
pl_inode_t *pl_inode = NULL;
@@ -535,7 +544,7 @@ pl_flush (call_frame_t *frame, xlator_t *this,
if (!pl_inode) {
gf_log (this->name, GF_LOG_DEBUG, "Could not get inode.");
- STACK_UNWIND_STRICT (flush, frame, -1, EBADFD);
+ STACK_UNWIND_STRICT (flush, frame, -1, EBADFD, NULL);
return 0;
}
@@ -565,14 +574,14 @@ pl_flush (call_frame_t *frame, xlator_t *this,
wind:
STACK_WIND (frame, pl_flush_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->flush, fd);
+ FIRST_CHILD(this)->fops->flush, fd, xdata);
return 0;
}
int
pl_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, fd_t *fd)
+ int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
{
pl_fdctx_t *fdctx = NULL;
@@ -587,7 +596,7 @@ pl_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
unwind:
- STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd);
+ STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata);
return 0;
}
@@ -595,12 +604,12 @@ unwind:
int
pl_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- fd_t *fd, int32_t wbflags)
+ fd_t *fd, dict_t *xdata)
{
/* why isn't O_TRUNC being handled ? */
STACK_WIND (frame, pl_open_cbk,
FIRST_CHILD(this), FIRST_CHILD(this)->fops->open,
- loc, flags & ~O_TRUNC, fd, wbflags);
+ loc, flags & ~O_TRUNC, fd, xdata);
return 0;
}
@@ -610,7 +619,7 @@ int
pl_create_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
fd_t *fd, inode_t *inode, struct iatt *buf,
- struct iatt *preparent, struct iatt *postparent)
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
{
pl_fdctx_t *fdctx = NULL;
@@ -626,7 +635,7 @@ pl_create_cbk (call_frame_t *frame, void *cookie,
unwind:
STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf,
- preparent, postparent);
+ preparent, postparent, xdata);
return 0;
}
@@ -634,11 +643,12 @@ unwind:
int
pl_create (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, mode_t mode, fd_t *fd, dict_t *params)
+ loc_t *loc, int32_t flags, mode_t mode, mode_t umask, fd_t *fd,
+ dict_t *xdata)
{
STACK_WIND (frame, pl_create_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->create,
- loc, flags, mode, fd, params);
+ loc, flags, mode, umask, fd, xdata);
return 0;
}
@@ -647,10 +657,10 @@ int
pl_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno,
struct iovec *vector, int32_t count, struct iatt *stbuf,
- struct iobref *iobref)
+ struct iobref *iobref, dict_t *xdata)
{
STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno,
- vector, count, stbuf, iobref);
+ vector, count, stbuf, iobref, xdata);
return 0;
}
@@ -658,9 +668,10 @@ pl_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int
pl_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf)
+ struct iatt *postbuf, dict_t *xdata)
{
- STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf);
+ STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf,
+ xdata);
return 0;
}
@@ -718,12 +729,12 @@ __rw_allowable (pl_inode_t *pl_inode, posix_lock_t *region,
int
-pl_readv_cont (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, uint32_t flags)
+pl_readv_cont (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
{
STACK_WIND (frame, pl_readv_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->readv,
- fd, size, offset, flags);
+ fd, size, offset, flags, xdata);
return 0;
}
@@ -731,7 +742,7 @@ pl_readv_cont (call_frame_t *frame, xlator_t *this,
int
pl_readv (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, uint32_t flags)
+ fd_t *fd, size_t size, off_t offset, uint32_t flags, dict_t *xdata)
{
posix_locks_private_t *priv = NULL;
pl_inode_t *pl_inode = NULL;
@@ -778,7 +789,8 @@ pl_readv (call_frame_t *frame, xlator_t *this,
}
rw->stub = fop_readv_stub (frame, pl_readv_cont,
- fd, size, offset, flags);
+ fd, size, offset, flags,
+ xdata);
if (!rw->stub) {
op_errno = ENOMEM;
op_ret = -1;
@@ -798,12 +810,12 @@ pl_readv (call_frame_t *frame, xlator_t *this,
if (wind_needed) {
STACK_WIND (frame, pl_readv_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->readv,
- fd, size, offset, flags);
+ fd, size, offset, flags, xdata);
}
if (op_ret == -1)
STACK_UNWIND_STRICT (readv, frame, -1, op_errno,
- NULL, 0, NULL, NULL);
+ NULL, 0, NULL, NULL, NULL);
return 0;
}
@@ -812,11 +824,11 @@ pl_readv (call_frame_t *frame, xlator_t *this,
int
pl_writev_cont (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iovec *vector, int count, off_t offset,
- uint32_t flags, struct iobref *iobref)
+ uint32_t flags, struct iobref *iobref, dict_t *xdata)
{
STACK_WIND (frame, pl_writev_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->writev,
- fd, vector, count, offset, flags, iobref);
+ fd, vector, count, offset, flags, iobref, xdata);
return 0;
}
@@ -825,7 +837,7 @@ pl_writev_cont (call_frame_t *frame, xlator_t *this, fd_t *fd,
int
pl_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iovec *vector, int32_t count, off_t offset,
- uint32_t flags, struct iobref *iobref)
+ uint32_t flags, struct iobref *iobref, dict_t *xdata)
{
posix_locks_private_t *priv = NULL;
pl_inode_t *pl_inode = NULL;
@@ -872,7 +884,7 @@ pl_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
rw->stub = fop_writev_stub (frame, pl_writev_cont,
fd, vector, count, offset,
- flags, iobref);
+ flags, iobref, xdata);
if (!rw->stub) {
op_errno = ENOMEM;
op_ret = -1;
@@ -892,10 +904,11 @@ pl_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
if (wind_needed)
STACK_WIND (frame, pl_writev_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->writev,
- fd, vector, count, offset, flags, iobref);
+ fd, vector, count, offset, flags, iobref, xdata);
if (op_ret == -1)
- STACK_UNWIND_STRICT (writev, frame, -1, op_errno, NULL, NULL);
+ STACK_UNWIND_STRICT (writev, frame, -1, op_errno, NULL, NULL,
+ NULL);
return 0;
}
@@ -1079,7 +1092,7 @@ unlock:
int
pl_lk (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *flock)
+ fd_t *fd, int32_t cmd, struct gf_flock *flock, dict_t *xdata)
{
void *transport = NULL;
pid_t client_pid = 0;
@@ -1237,7 +1250,7 @@ unwind:
else
flock->l_type = F_UNLCK;
- STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno, flock);
+ STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno, flock, xdata);
out:
return 0;
}
@@ -1348,19 +1361,20 @@ pl_forget (xlator_t *this,
list_for_each_entry_safe (ext_l, ext_tmp, &posixlks_released, list) {
- STACK_UNWIND_STRICT (lk, ext_l->frame, -1, 0, &ext_l->user_flock);
+ STACK_UNWIND_STRICT (lk, ext_l->frame, -1, 0,
+ &ext_l->user_flock, NULL);
__destroy_lock (ext_l);
}
list_for_each_entry_safe (ino_l, ino_tmp, &inodelks_released, blocked_locks) {
- STACK_UNWIND_STRICT (inodelk, ino_l->frame, -1, 0);
+ STACK_UNWIND_STRICT (inodelk, ino_l->frame, -1, 0, NULL);
__pl_inodelk_unref (ino_l);
}
list_for_each_entry_safe (entry_l, entry_tmp, &entrylks_released, blocked_locks) {
- STACK_UNWIND_STRICT (entrylk, entry_l->frame, -1, 0);
+ STACK_UNWIND_STRICT (entrylk, entry_l->frame, -1, 0, NULL);
if (entry_l->basename)
GF_FREE ((char *)entry_l->basename);
GF_FREE (entry_l);
@@ -1543,7 +1557,7 @@ pl_lookup_cbk (call_frame_t *frame,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
- dict_t *dict,
+ dict_t *xdata,
struct iatt *postparent)
{
pl_local_t *local = NULL;
@@ -1557,11 +1571,11 @@ pl_lookup_cbk (call_frame_t *frame,
local = frame->local;
if (local->entrylk_count_req)
- pl_entrylk_xattr_fill (this, inode, dict);
+ pl_entrylk_xattr_fill (this, inode, xdata);
if (local->inodelk_count_req)
- pl_inodelk_xattr_fill (this, inode, dict);
+ pl_inodelk_xattr_fill (this, inode, xdata);
if (local->posixlk_count_req)
- pl_posixlk_xattr_fill (this, inode, dict);
+ pl_posixlk_xattr_fill (this, inode, xdata);
frame->local = NULL;
@@ -1573,20 +1587,20 @@ out:
STACK_UNWIND_STRICT (
lookup,
frame,
- op_ret,
- op_errno,
- inode,
- buf,
- dict,
- postparent);
+ op_ret,
+ op_errno,
+ inode,
+ buf,
+ xdata,
+ postparent);
return 0;
}
int32_t
pl_lookup (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- dict_t *xattr_req)
+ xlator_t *this,
+ loc_t *loc,
+ dict_t *xdata)
{
pl_local_t *local = NULL;
int ret = -1;
@@ -1598,12 +1612,12 @@ pl_lookup (call_frame_t *frame,
local = mem_get0 (this->local_pool);
GF_VALIDATE_OR_GOTO (this->name, local, out);
- if (xattr_req) {
- if (dict_get (xattr_req, GLUSTERFS_ENTRYLK_COUNT))
+ if (xdata) {
+ if (dict_get (xdata, GLUSTERFS_ENTRYLK_COUNT))
local->entrylk_count_req = 1;
- if (dict_get (xattr_req, GLUSTERFS_INODELK_COUNT))
+ if (dict_get (xdata, GLUSTERFS_INODELK_COUNT))
local->inodelk_count_req = 1;
- if (dict_get (xattr_req, GLUSTERFS_POSIXLK_COUNT))
+ if (dict_get (xdata, GLUSTERFS_POSIXLK_COUNT))
local->posixlk_count_req = 1;
}
@@ -1613,18 +1627,18 @@ pl_lookup (call_frame_t *frame,
pl_lookup_cbk,
FIRST_CHILD(this),
FIRST_CHILD(this)->fops->lookup,
- loc,
- xattr_req);
+ loc, xdata);
ret = 0;
out:
if (ret == -1)
- STACK_UNWIND_STRICT (lookup, frame, -1, 0, NULL, NULL, NULL, NULL);
+ STACK_UNWIND_STRICT (lookup, frame, -1, 0, NULL,
+ NULL, NULL, NULL);
return 0;
}
int
pl_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, gf_dirent_t *entries)
+ int op_ret, int op_errno, gf_dirent_t *entries, dict_t *xdata)
{
pl_local_t *local = NULL;
gf_dirent_t *entry = NULL;
@@ -1645,7 +1659,7 @@ pl_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
unwind:
frame->local = NULL;
- STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries);
+ STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata);
if (local)
mem_put (local);
@@ -1679,7 +1693,7 @@ pl_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
return 0;
out:
- STACK_UNWIND_STRICT (readdirp, frame, -1, ENOMEM, NULL);
+ STACK_UNWIND_STRICT (readdirp, frame, -1, ENOMEM, NULL, NULL);
return 0;
}
@@ -2089,21 +2103,23 @@ fini (xlator_t *this)
int
pl_inodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, int32_t cmd, struct gf_flock *flock);
+ const char *volume, loc_t *loc, int32_t cmd, struct gf_flock *flock,
+ dict_t *xdata);
int
pl_finodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *flock);
+ const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *flock,
+ dict_t *xdata);
int
pl_entrylk (call_frame_t *frame, xlator_t *this,
const char *volume, loc_t *loc, const char *basename,
- entrylk_cmd cmd, entrylk_type type);
+ entrylk_cmd cmd, entrylk_type type, dict_t *xdata);
int
pl_fentrylk (call_frame_t *frame, xlator_t *this,
const char *volume, fd_t *fd, const char *basename,
- entrylk_cmd cmd, entrylk_type type);
+ entrylk_cmd cmd, entrylk_type type, dict_t *xdata);
struct xlator_fops fops = {
.lookup = pl_lookup,