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authorShehjar Tikoo <shehjart@gluster.com>2009-10-01 06:58:47 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-01 07:22:46 -0700
commite11d66c8d6dea72d02f9bcdbf65c67bd5c60b5cc (patch)
treeffa96a3f78b79db2704a5bc410174714fd66fa67 /xlators/cluster/stripe/src
parent186a86f342625a9dce53fe537f8237c6099d5c54 (diff)
Global: NFS-friendly prototype changes
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
Diffstat (limited to 'xlators/cluster/stripe/src')
-rw-r--r--xlators/cluster/stripe/src/stripe.c310
1 files changed, 285 insertions, 25 deletions
diff --git a/xlators/cluster/stripe/src/stripe.c b/xlators/cluster/stripe/src/stripe.c
index 5a02d17bc2e..2d875ab3e2f 100644
--- a/xlators/cluster/stripe/src/stripe.c
+++ b/xlators/cluster/stripe/src/stripe.c
@@ -70,6 +70,19 @@ stripe_get_matching_bs (const char *path, struct stripe_options *opts,
/*
+ * stripe_common_remove_cbk -
+ */
+int32_t
+stripe_common_remove_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ struct stat *preparent, struct stat *postparent)
+{
+ STACK_UNWIND (frame, op_ret, op_errno, preparent, postparent);
+ return 0;
+}
+
+
+/*
* stripe_common_cbk -
*/
int32_t
@@ -127,6 +140,169 @@ stripe_stack_unwind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
return 0;
}
+
+int32_t
+stripe_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+ struct stat *postbuf)
+{
+ int32_t callcnt = 0;
+ stripe_local_t *local = NULL;
+
+ local = frame->local;
+
+ LOCK (&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s returned %s",
+ ((call_frame_t *)cookie)->this->name,
+ strerror (op_errno));
+ local->op_errno = op_errno;
+ if (op_errno == ENOTCONN)
+ local->failed = 1;
+ }
+ if (op_ret >= 0)
+ local->op_ret = op_ret;
+ }
+ UNLOCK (&frame->lock);
+
+ if (!callcnt) {
+ if (local->failed)
+ local->op_ret = -1;
+
+ if (local->loc.path)
+ loc_wipe (&local->loc);
+ if (local->loc2.path)
+ loc_wipe (&local->loc2);
+
+ STACK_UNWIND (frame, local->op_ret, local->op_errno);
+ }
+ return 0;
+}
+
+
+
+/**
+ * stripe_stack_unwind_remove_cbk - This function is used for unlink
+ * _cbk without any extra arguments (other than the minimum given)
+ * This is called from functions like fsync,unlink,rmdir etc.
+ *
+ */
+int32_t
+stripe_stack_unwind_unlink_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct stat *preparent,
+ struct stat *postparent)
+{
+ int32_t callcnt = 0;
+ stripe_local_t *local = NULL;
+
+ local = frame->local;
+
+ LOCK (&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s returned %s",
+ ((call_frame_t *)cookie)->this->name,
+ strerror (op_errno));
+ local->op_errno = op_errno;
+ if (op_errno == ENOTCONN)
+ local->failed = 1;
+ }
+ if (op_ret >= 0)
+ local->op_ret = op_ret;
+ }
+ UNLOCK (&frame->lock);
+
+ if (!callcnt) {
+ if (local->failed)
+ local->op_ret = -1;
+
+ if (local->loc.path)
+ loc_wipe (&local->loc);
+ if (local->loc2.path)
+ loc_wipe (&local->loc2);
+
+ STACK_UNWIND (frame, local->op_ret, local->op_errno);
+ }
+ return 0;
+}
+
+
+int32_t
+stripe_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+ struct stat *postbuf)
+{
+ int32_t callcnt = 0;
+ stripe_local_t *local = NULL;
+
+ local = frame->local;
+
+ LOCK (&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s returned error %s",
+ ((call_frame_t *)cookie)->this->name,
+ strerror (op_errno));
+ local->op_errno = op_errno;
+ if (op_errno == ENOTCONN)
+ local->failed = 1;
+ }
+
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ if (local->stbuf.st_blksize == 0) {
+ local->stbuf = *postbuf;
+ /* Because st_blocks gets added again */
+ local->stbuf.st_blocks = 0;
+ }
+
+ if (FIRST_CHILD(this) ==
+ ((call_frame_t *)cookie)->this) {
+ /* Always, pass the inode number of
+ first child to the above layer */
+ local->stbuf.st_ino = postbuf->st_ino;
+ local->stbuf.st_mtime = postbuf->st_mtime;
+ }
+
+ local->stbuf.st_blocks += postbuf->st_blocks;
+ if (local->stbuf.st_size < postbuf->st_size)
+ local->stbuf.st_size = postbuf->st_size;
+ if (local->stbuf.st_blksize != postbuf->st_blksize) {
+ /* TODO: add to blocks in terms of
+ original block size */
+ }
+ }
+ }
+ UNLOCK (&frame->lock);
+
+ if (!callcnt) {
+ if (local->failed)
+ local->op_ret = -1;
+
+ if (local->loc.path)
+ loc_wipe (&local->loc);
+ if (local->loc2.path)
+ loc_wipe (&local->loc2);
+
+ STACK_UNWIND (frame, local->op_ret, local->op_errno,
+ &local->stbuf);
+ }
+
+ return 0;
+}
+
+
int32_t
stripe_common_buf_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, struct stat *buf)
@@ -135,6 +311,76 @@ stripe_common_buf_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
return 0;
}
+
+int32_t
+stripe_stack_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf,
+ struct stat *preoldparent, struct stat *postoldparent,
+ struct stat *prenewparent, struct stat *postnewparent)
+{
+ int32_t callcnt = 0;
+ stripe_local_t *local = NULL;
+
+ local = frame->local;
+
+ LOCK (&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s returned error %s",
+ ((call_frame_t *)cookie)->this->name,
+ strerror (op_errno));
+ local->op_errno = op_errno;
+ if (op_errno == ENOTCONN)
+ local->failed = 1;
+ }
+
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ if (local->stbuf.st_blksize == 0) {
+ local->stbuf = *buf;
+ /* Because st_blocks gets added again */
+ local->stbuf.st_blocks = 0;
+ }
+
+ if (FIRST_CHILD(this) ==
+ ((call_frame_t *)cookie)->this) {
+ /* Always, pass the inode number of
+ first child to the above layer */
+ local->stbuf.st_ino = buf->st_ino;
+ local->stbuf.st_mtime = buf->st_mtime;
+ }
+
+ local->stbuf.st_blocks += buf->st_blocks;
+ if (local->stbuf.st_size < buf->st_size)
+ local->stbuf.st_size = buf->st_size;
+ if (local->stbuf.st_blksize != buf->st_blksize) {
+ /* TODO: add to blocks in terms of
+ original block size */
+ }
+ }
+ }
+ UNLOCK (&frame->lock);
+
+ if (!callcnt) {
+ if (local->failed)
+ local->op_ret = -1;
+
+ if (local->loc.path)
+ loc_wipe (&local->loc);
+ if (local->loc2.path)
+ loc_wipe (&local->loc2);
+
+ STACK_UNWIND (frame, local->op_ret, local->op_errno,
+ &local->stbuf);
+ }
+
+ return 0;
+}
+
+
/**
* stripe_stack_unwind_buf_cbk - This function is used for all the _cbk with
* 'struct stat *buf' as extra argument (other than minimum)
@@ -214,9 +460,11 @@ stripe_stack_unwind_buf_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t
stripe_common_inode_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct stat *buf)
+ struct stat *buf, struct stat *preparent,
+ struct stat *postparent)
{
- STACK_UNWIND (frame, op_ret, op_errno, inode, buf);
+ STACK_UNWIND (frame, op_ret, op_errno, inode, buf, preparent,
+ postparent);
return 0;
}
@@ -232,7 +480,8 @@ int32_t
stripe_stack_unwind_inode_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret,
int32_t op_errno, inode_t *inode,
- struct stat *buf)
+ struct stat *buf, struct stat *preparent,
+ struct stat *postparent)
{
int32_t callcnt = 0;
stripe_local_t *local = NULL;
@@ -293,7 +542,7 @@ stripe_stack_unwind_inode_cbk (call_frame_t *frame, void *cookie,
int32_t
stripe_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct stat *buf, dict_t *dict)
+ struct stat *buf, dict_t *dict, struct stat *postparent)
{
int32_t callcnt = 0;
dict_t *tmp_dict = NULL;
@@ -611,7 +860,7 @@ stripe_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
send_fop_to_all = 1;
if (!send_fop_to_all) {
- STACK_WIND (frame, stripe_common_buf_cbk, trav->xlator,
+ STACK_WIND (frame, stripe_truncate_cbk, trav->xlator,
trav->xlator->fops->truncate, loc, offset);
} else {
/* Initialization */
@@ -626,7 +875,7 @@ stripe_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
local->call_count = priv->child_count;
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_buf_cbk,
+ STACK_WIND (frame, stripe_truncate_cbk,
trav->xlator, trav->xlator->fops->truncate,
loc, offset);
trav = trav->next;
@@ -822,7 +1071,9 @@ stripe_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
int32_t
stripe_first_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct stat *buf)
+ int32_t op_ret, int32_t op_errno, struct stat *buf,
+ struct stat *preoldparent, struct stat *postoldparent,
+ struct stat *prenewparent, struct stat *postnewparent)
{
stripe_local_t *local = NULL;
xlator_list_t *trav = NULL;
@@ -840,7 +1091,7 @@ stripe_first_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
trav = trav->next; /* Skip first child */
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_buf_cbk,
+ STACK_WIND (frame, stripe_stack_rename_cbk,
trav->xlator, trav->xlator->fops->rename,
&local->loc, &local->loc2);
trav = trav->next;
@@ -933,9 +1184,10 @@ stripe_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask)
*/
int32_t
stripe_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, const char *path)
+ int32_t op_ret, int32_t op_errno, const char *path,
+ struct stat *sbuf)
{
- STACK_UNWIND (frame, op_ret, op_errno, path);
+ STACK_UNWIND (frame, op_ret, op_errno, path, sbuf);
return 0;
}
@@ -994,7 +1246,7 @@ stripe_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)
send_fop_to_all = 1;
if (!send_fop_to_all) {
- STACK_WIND (frame, stripe_common_cbk, trav->xlator,
+ STACK_WIND (frame, stripe_common_remove_cbk, trav->xlator,
trav->xlator->fops->unlink, loc);
} else {
/* Don't unlink a file if a node is down */
@@ -1014,7 +1266,7 @@ stripe_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)
local->call_count = priv->child_count;
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_cbk,
+ STACK_WIND (frame, stripe_stack_unwind_unlink_cbk,
trav->xlator, trav->xlator->fops->unlink,
loc);
trav = trav->next;
@@ -1030,7 +1282,9 @@ stripe_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)
int32_t
stripe_first_rmdir_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,struct stat *preparent,
+ struct stat *postparent)
+
{
xlator_list_t *trav = NULL;
stripe_local_t *local = NULL;
@@ -1047,7 +1301,7 @@ stripe_first_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
trav = trav->next; /* Skip first child */
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator,
+ STACK_WIND (frame, stripe_stack_unwind_unlink_cbk, trav->xlator,
trav->xlator->fops->rmdir, &local->loc);
trav = trav->next;
}
@@ -1139,7 +1393,8 @@ stripe_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
int32_t
stripe_mknod_ifreg_fail_unlink_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret,
- int32_t op_errno)
+ int32_t op_errno, struct stat *preparent,
+ struct stat *postparent)
{
int32_t callcnt = 0;
stripe_local_t *local = NULL;
@@ -1216,7 +1471,8 @@ stripe_mknod_ifreg_setxattr_cbk (call_frame_t *frame, void *cookie,
int32_t
stripe_mknod_ifreg_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct stat *buf)
+ struct stat *buf, struct stat *preparent,
+ struct stat *postparent)
{
int ret = 0;
int32_t callcnt = 0;
@@ -1544,7 +1800,8 @@ stripe_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc)
int32_t
stripe_create_fail_unlink_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret,
- int32_t op_errno)
+ int32_t op_errno, struct stat *preparent,
+ struct stat *postparent)
{
int32_t callcnt = 0;
fd_t *lfd = NULL;
@@ -1632,7 +1889,8 @@ stripe_create_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t
stripe_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 stat *buf)
+ inode_t *inode, struct stat *buf, struct stat *preparent,
+ struct stat *postparent)
{
int32_t callcnt = 0;
stripe_local_t *local = NULL;
@@ -2015,7 +2273,7 @@ stripe_open_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
while (trav) {
STACK_WIND (frame, stripe_open_cbk, trav->xlator,
trav->xlator->fops->open, &local->loc,
- local->flags, local->fd);
+ local->flags, local->fd, 0);
trav = trav->next;
}
}
@@ -2035,7 +2293,7 @@ stripe_open_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
*/
int32_t
stripe_open (call_frame_t *frame, xlator_t *this, loc_t *loc,
- int32_t flags, fd_t *fd)
+ int32_t flags, fd_t *fd, int32_t wbflags)
{
stripe_local_t *local = NULL;
stripe_private_t *priv = NULL;
@@ -2100,7 +2358,8 @@ stripe_open (call_frame_t *frame, xlator_t *this, loc_t *loc,
while (trav) {
STACK_WIND (frame, stripe_open_cbk, trav->xlator,
trav->xlator->fops->open,
- &local->loc, local->flags, local->fd);
+ &local->loc, local->flags, local->fd,
+ wbflags);
trav = trav->next;
}
}
@@ -2464,7 +2723,7 @@ stripe_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags)
local->call_count = priv->child_count;
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator,
+ STACK_WIND (frame, stripe_fsync_cbk, trav->xlator,
trav->xlator->fops->fsync, fd, flags);
trav = trav->next;
}
@@ -2552,7 +2811,7 @@ stripe_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
local->call_count = priv->child_count;
while (trav) {
- STACK_WIND (frame, stripe_stack_unwind_buf_cbk, trav->xlator,
+ STACK_WIND (frame, stripe_truncate_cbk, trav->xlator,
trav->xlator->fops->ftruncate, fd, offset);
trav = trav->next;
}
@@ -2823,7 +3082,8 @@ stripe_readv (call_frame_t *frame, xlator_t *this, fd_t *fd,
*/
int32_t
stripe_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct stat *stbuf)
+ int32_t op_ret, int32_t op_errno, struct stat *prebuf,
+ struct stat *postbuf)
{
int32_t callcnt = 0;
stripe_local_t *local = NULL;
@@ -2844,7 +3104,7 @@ stripe_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
}
if (op_ret >= 0) {
local->op_ret += op_ret;
- local->stbuf = *stbuf;
+ local->stbuf = *postbuf;
}
}
UNLOCK (&frame->lock);