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-rw-r--r--xlators/performance/write-behind/src/write-behind.c165
1 files changed, 161 insertions, 4 deletions
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c
index b9cef1152a9..00457338dd7 100644
--- a/xlators/performance/write-behind/src/write-behind.c
+++ b/xlators/performance/write-behind/src/write-behind.c
@@ -108,6 +108,7 @@ typedef struct wb_inode {
after it arrived (i.e, those that have a
liability generation higher than itself)
*/
+ size_t size; /* Size of the file to catch write after EOF. */
gf_lock_t lock;
xlator_t *this;
} wb_inode_t;
@@ -503,8 +504,23 @@ wb_enqueue_common (wb_inode_t *wb_inode, call_stub_t *stub, int tempted)
switch (stub->fop) {
case GF_FOP_WRITE:
- req->ordering.off = stub->args.offset;
- req->ordering.size = req->write_size;
+ LOCK (&wb_inode->lock);
+ {
+ if (wb_inode->size < stub->args.offset) {
+ req->ordering.off = wb_inode->size;
+ req->ordering.size = stub->args.offset
+ + req->write_size
+ - wb_inode->size;
+ } else {
+ req->ordering.off = stub->args.offset;
+ req->ordering.size = req->write_size;
+ }
+
+ if (wb_inode->size < stub->args.offset + req->write_size)
+ wb_inode->size = stub->args.offset
+ + req->write_size;
+ }
+ UNLOCK (&wb_inode->lock);
req->fd = fd_ref (stub->args.fd);
@@ -519,10 +535,20 @@ wb_enqueue_common (wb_inode_t *wb_inode, call_stub_t *stub, int tempted)
case GF_FOP_TRUNCATE:
req->ordering.off = stub->args.offset;
req->ordering.size = 0; /* till infinity */
+ LOCK (&wb_inode->lock);
+ {
+ wb_inode->size = req->ordering.off;
+ }
+ UNLOCK (&wb_inode->lock);
break;
case GF_FOP_FTRUNCATE:
req->ordering.off = stub->args.offset;
req->ordering.size = 0; /* till infinity */
+ LOCK (&wb_inode->lock);
+ {
+ wb_inode->size = req->ordering.off;
+ }
+ UNLOCK (&wb_inode->lock);
req->fd = fd_ref (stub->args.fd);
@@ -1196,6 +1222,20 @@ wb_process_queue (wb_inode_t *wb_inode)
}
+void
+wb_set_inode_size(wb_inode_t *wb_inode, struct iatt *postbuf)
+{
+ GF_ASSERT (wb_inode);
+ GF_ASSERT (postbuf);
+
+ LOCK (&wb_inode->lock);
+ {
+ wb_inode->size = postbuf->ia_size;
+ }
+ UNLOCK (&wb_inode->lock);
+}
+
+
int
wb_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno,
@@ -1576,11 +1616,29 @@ noqueue:
}
+int32_t
+wb_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, dict_t *xdata)
+{
+ GF_ASSERT (frame->local);
+
+ if (op_ret == 0)
+ wb_set_inode_size (frame->local, postbuf);
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+ return 0;
+}
+
+
int
wb_truncate_helper (call_frame_t *frame, xlator_t *this, loc_t *loc,
off_t offset, dict_t *xdata)
{
- STACK_WIND (frame, default_truncate_cbk, FIRST_CHILD(this),
+ STACK_WIND (frame, wb_truncate_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->truncate, loc, offset, xdata);
return 0;
}
@@ -1597,6 +1655,8 @@ wb_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
if (!wb_inode)
goto unwind;
+ frame->local = wb_inode;
+
stub = fop_truncate_stub (frame, wb_truncate_helper, loc,
offset, xdata);
if (!stub)
@@ -1619,11 +1679,29 @@ unwind:
}
+int32_t
+wb_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
+{
+ GF_ASSERT (frame->local);
+
+ if (op_ret == 0)
+ wb_set_inode_size (frame->local, postbuf);
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (ftruncate, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+ return 0;
+}
+
+
int
wb_ftruncate_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
off_t offset, dict_t *xdata)
{
- STACK_WIND (frame, default_ftruncate_cbk, FIRST_CHILD(this),
+ STACK_WIND (frame, wb_ftruncate_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->ftruncate, fd, offset, xdata);
return 0;
}
@@ -1646,6 +1724,8 @@ wb_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
if (wb_fd_err (fd, this, &op_errno))
goto unwind;
+ frame->local = wb_inode;
+
stub = fop_ftruncate_stub (frame, wb_ftruncate_helper, fd,
offset, xdata);
if (!stub) {
@@ -1663,6 +1743,8 @@ wb_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
return 0;
unwind:
+ frame->local = NULL;
+
STACK_UNWIND_STRICT (ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
if (stub)
@@ -1763,6 +1845,81 @@ noqueue:
}
+int32_t
+wb_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
+{
+ wb_inode_t *wb_inode = NULL;
+
+ wb_inode = wb_inode_create (this, fd->inode);
+ if (!wb_inode)
+ goto unwind;
+
+ if (((flags & O_RDWR) || (flags & O_WRONLY)) && (flags & O_TRUNC))
+ wb_inode->size = 0;
+
+ STACK_WIND_TAIL (frame, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->create, loc, flags, mode,
+ umask, fd, xdata);
+ return 0;
+
+unwind:
+ STACK_UNWIND_STRICT (create, frame, -1, ENOMEM, NULL, NULL, NULL, NULL,
+ NULL, NULL);
+ return 0;
+}
+
+
+int32_t
+wb_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata)
+{
+ wb_inode_t *wb_inode = NULL;
+
+ wb_inode = wb_inode_create (this, fd->inode);
+ if (!wb_inode)
+ goto unwind;
+
+ if (((flags & O_RDWR) || (flags & O_WRONLY)) && (flags & O_TRUNC))
+ wb_inode->size = 0;
+
+ STACK_WIND_TAIL (frame, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open, loc, flags, fd, xdata);
+ return 0;
+
+unwind:
+ STACK_UNWIND_STRICT (open, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+}
+
+
+int32_t
+wb_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xdata, struct iatt *postparent)
+{
+ if (op_ret == 0) {
+ wb_inode_t *wb_inode = wb_inode_ctx_get (this, inode);
+ if (wb_inode)
+ wb_set_inode_size (wb_inode, buf);
+ }
+
+ STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, inode, buf,
+ xdata, postparent);
+ return 0;
+}
+
+
+int32_t
+wb_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ dict_t *xdata)
+{
+ STACK_WIND (frame, wb_lookup_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lookup, loc, xdata);
+ return 0;
+}
+
+
int
wb_forget (xlator_t *this, inode_t *inode)
{
generated by cgit (git 2.34.1) at 2024-11-15 05:19:13 +0000