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authorAmar Tumballi <amar@gluster.com>2012-02-06 17:49:14 +0530
committerAnand Avati <avati@redhat.com>2012-02-14 01:09:02 -0800
commit0e6df0100e13123fe38f28c5a090777e894d8f52 (patch)
tree517c60cc953302172cb51f22f4b7aa52e557c1e9 /xlators/cluster/dht
parente17ac220e4bff53fb89f5bea636acb61e347cf50 (diff)
core: add an extra flag to readv()/writev() API
needed to implement a proper handling of open flag alterations using fcntl() on fd. Change-Id: Ic280d5db6f1dc0418d5c439abb8db1d3ac21ced0 Signed-off-by: Amar Tumballi <amar@gluster.com> BUG: 782265 Reviewed-on: http://review.gluster.com/2723 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/dht')
-rw-r--r--xlators/cluster/dht/src/dht-common.h3
-rw-r--r--xlators/cluster/dht/src/dht-inode-read.c8
-rw-r--r--xlators/cluster/dht/src/dht-inode-write.c10
-rw-r--r--xlators/cluster/dht/src/dht-rebalance.c8
4 files changed, 17 insertions, 12 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index ef78892eb..749abe538 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -466,7 +466,7 @@ int32_t dht_readv (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
- off_t offset);
+ off_t offset, uint32_t flags);
int32_t dht_writev (call_frame_t *frame,
xlator_t *this,
@@ -474,6 +474,7 @@ int32_t dht_writev (call_frame_t *frame,
struct iovec *vector,
int32_t count,
off_t offset,
+ uint32_t flags,
struct iobref *iobref);
int32_t dht_flush (call_frame_t *frame,
diff --git a/xlators/cluster/dht/src/dht-inode-read.c b/xlators/cluster/dht/src/dht-inode-read.c
index 7352e47bd..3ec6f4ba2 100644
--- a/xlators/cluster/dht/src/dht-inode-read.c
+++ b/xlators/cluster/dht/src/dht-inode-read.c
@@ -448,7 +448,8 @@ dht_readv2 (xlator_t *this, call_frame_t *frame, int op_ret)
subvol = local->cached_subvol;
STACK_WIND (frame, dht_readv_cbk, subvol, subvol->fops->readv,
- local->fd, local->rebalance.size, local->rebalance.offset);
+ local->fd, local->rebalance.size, local->rebalance.offset,
+ local->rebalance.flags);
return 0;
@@ -459,7 +460,7 @@ out:
int
dht_readv (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t off)
+ fd_t *fd, size_t size, off_t off, uint32_t flags)
{
xlator_t *subvol = NULL;
int op_errno = -1;
@@ -485,11 +486,12 @@ dht_readv (call_frame_t *frame, xlator_t *this,
local->rebalance.offset = off;
local->rebalance.size = size;
+ local->rebalance.flags = flags;
local->call_cnt = 1;
STACK_WIND (frame, dht_readv_cbk,
subvol, subvol->fops->readv,
- fd, size, off);
+ fd, size, off, flags);
return 0;
diff --git a/xlators/cluster/dht/src/dht-inode-write.c b/xlators/cluster/dht/src/dht-inode-write.c
index 4f65b4671..2f59e7c94 100644
--- a/xlators/cluster/dht/src/dht-inode-write.c
+++ b/xlators/cluster/dht/src/dht-inode-write.c
@@ -112,14 +112,15 @@ dht_writev2 (xlator_t *this, call_frame_t *frame, int op_ret)
STACK_WIND (frame, dht_writev_cbk,
subvol, subvol->fops->writev,
local->fd, local->rebalance.vector, local->rebalance.count,
- local->rebalance.offset, local->rebalance.iobref);
+ local->rebalance.offset, local->rebalance.flags,
+ local->rebalance.iobref);
return 0;
}
int
-dht_writev (call_frame_t *frame, xlator_t *this,
- fd_t *fd, struct iovec *vector, int count, off_t off,
+dht_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iovec *vector, int count, off_t off, uint32_t flags,
struct iobref *iobref)
{
xlator_t *subvol = NULL;
@@ -149,12 +150,13 @@ dht_writev (call_frame_t *frame, xlator_t *this,
local->rebalance.vector = iov_dup (vector, count);
local->rebalance.offset = off;
local->rebalance.count = count;
+ local->rebalance.flags = flags;
local->rebalance.iobref = iobref_ref (iobref);
local->call_cnt = 1;
STACK_WIND (frame, dht_writev_cbk,
subvol, subvol->fops->writev,
- fd, vector, count, off, iobref);
+ fd, vector, count, off, flags, iobref);
return 0;
diff --git a/xlators/cluster/dht/src/dht-rebalance.c b/xlators/cluster/dht/src/dht-rebalance.c
index 6c91baaac..dfd6f3b6e 100644
--- a/xlators/cluster/dht/src/dht-rebalance.c
+++ b/xlators/cluster/dht/src/dht-rebalance.c
@@ -60,7 +60,7 @@ dht_write_with_holes (xlator_t *to, fd_t *fd, struct iovec *vec, int count,
ret = syncop_write (to, fd, (buf + tmp_offset),
(start_idx - tmp_offset),
(offset + tmp_offset),
- iobref);
+ iobref, 0);
/* 'path' will be logged in calling function */
if (ret < 0) {
gf_log (THIS->name, GF_LOG_WARNING,
@@ -78,7 +78,7 @@ dht_write_with_holes (xlator_t *to, fd_t *fd, struct iovec *vec, int count,
/* This means, last chunk is not yet written.. write it */
ret = syncop_write (to, fd, (buf + tmp_offset),
(buf_len - tmp_offset),
- (offset + tmp_offset), iobref);
+ (offset + tmp_offset), iobref, 0);
if (ret < 0) {
/* 'path' will be logged in calling function */
gf_log (THIS->name, GF_LOG_WARNING,
@@ -263,7 +263,7 @@ __dht_rebalance_migrate_data (xlator_t *from, xlator_t *to, fd_t *src, fd_t *dst
read_size = (((ia_size - total) > DHT_REBALANCE_BLKSIZE) ?
DHT_REBALANCE_BLKSIZE : (ia_size - total));
ret = syncop_readv (from, src, read_size,
- offset, &vector, &count, &iobref);
+ offset, 0, &vector, &count, &iobref);
if (!ret || (ret < 0)) {
break;
}
@@ -273,7 +273,7 @@ __dht_rebalance_migrate_data (xlator_t *from, xlator_t *to, fd_t *src, fd_t *dst
ret, offset, iobref);
else
ret = syncop_writev (to, dst, vector, count,
- offset, iobref);
+ offset, iobref, 0);
if (ret < 0) {
break;
}