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-rw-r--r--xlators/cluster/afr/src/afr-common.c59
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.c102
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.h3
3 files changed, 103 insertions, 61 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index a28cbf4a2a9..92ecb7fb99b 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -1092,65 +1092,6 @@ afr_is_entry_possibly_under_txn (afr_local_t *local, xlator_t *this)
}
-/*
- * Quota size xattrs are not maintained by afr. There is a
- * possibility that they differ even when both the directory changelog xattrs
- * suggest everything is fine. So if there is at least one 'source' check among
- * the sources which has the maximum quota size. Otherwise check among all the
- * available ones for maximum quota size. This way if there is a source and
- * stale copies it always votes for the 'source'.
- * */
-
-static void
-afr_handle_quota_size (call_frame_t *frame, xlator_t *this)
-{
- unsigned char *readable = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- int i = 0;
- uint64_t size = 0;
- uint64_t max_size = 0;
- int readable_cnt = 0;
-
- local = frame->local;
- priv = this->private;
- replies = local->replies;
-
- readable = alloca0 (priv->child_count);
-
- afr_inode_read_subvol_get (local->inode, this, readable, 0, 0);
-
- readable_cnt = AFR_COUNT (readable, priv->child_count);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (readable_cnt && !readable[i])
- continue;
- if (!replies[i].xdata)
- continue;
- if (dict_get_uint64 (replies[i].xdata, QUOTA_SIZE_KEY, &size))
- continue;
- if (size > max_size)
- max_size = size;
- }
-
- if (!max_size)
- return;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (readable_cnt && !readable[i])
- continue;
- if (!replies[i].xdata)
- continue;
- if (dict_set_uint64 (replies[i].xdata, QUOTA_SIZE_KEY, max_size))
- continue;
- }
-}
-
static char *afr_ignore_xattrs[] = {
GLUSTERFS_OPEN_FD_COUNT,
GLUSTERFS_PARENT_ENTRYLK,
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index e773f3284a6..79acbea2ff1 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -37,6 +37,72 @@
#include "afr-transaction.h"
+/*
+ * Quota size xattrs are not maintained by afr. There is a
+ * possibility that they differ even when both the directory changelog xattrs
+ * suggest everything is fine. So if there is at least one 'source' check among
+ * the sources which has the maximum quota size. Otherwise check among all the
+ * available ones for maximum quota size. This way if there is a source and
+ * stale copies it always votes for the 'source'.
+ * */
+
+int
+afr_handle_quota_size (call_frame_t *frame, xlator_t *this)
+{
+ unsigned char *readable = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ int i = 0;
+ uint64_t size = 0;
+ uint64_t max_size = 0;
+ int readable_cnt = 0;
+ int read_subvol = -1;
+
+ local = frame->local;
+ priv = this->private;
+ replies = local->replies;
+
+ readable = alloca0 (priv->child_count);
+
+ afr_inode_read_subvol_get (local->inode, this, readable, 0, 0);
+
+ readable_cnt = AFR_COUNT (readable, priv->child_count);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (readable_cnt && !readable[i])
+ continue;
+ if (!replies[i].xdata)
+ continue;
+ if (dict_get_uint64 (replies[i].xdata, QUOTA_SIZE_KEY, &size))
+ continue;
+ if (read_subvol == -1)
+ read_subvol = i;
+ if (size > max_size) {
+ read_subvol = i;
+ max_size = size;
+ }
+ }
+
+ if (!max_size)
+ return read_subvol;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (readable_cnt && !readable[i])
+ continue;
+ if (!replies[i].xdata)
+ continue;
+ if (dict_set_uint64 (replies[i].xdata, QUOTA_SIZE_KEY, max_size))
+ continue;
+ }
+
+ return read_subvol;
+}
+
/* {{{ access */
@@ -685,6 +751,37 @@ afr_getxattr_node_uuid_cbk (call_frame_t *frame, void *cookie,
}
int32_t
+afr_getxattr_quota_size_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ dict_t *dict, dict_t *xdata)
+{
+ int idx = (long) cookie;
+ int call_count = 0;
+ afr_local_t *local = frame->local;
+ int read_subvol = -1;
+
+ local->replies[idx].valid = 1;
+ local->replies[idx].op_ret = op_ret;
+ local->replies[idx].op_errno = op_errno;
+ if (dict)
+ local->replies[idx].xdata = dict_ref (dict);
+ call_count = afr_frame_return (frame);
+ if (call_count == 0) {
+ local->inode = inode_ref (local->loc.inode);
+ read_subvol = afr_handle_quota_size (frame, this);
+ if (read_subvol != -1) {
+ op_ret = local->replies[read_subvol].op_ret;
+ op_errno = local->replies[read_subvol].op_errno;
+ dict = local->replies[read_subvol].xdata;
+ }
+ AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict,
+ xdata);
+ }
+
+ return 0;
+}
+
+int32_t
afr_getxattr_lockinfo_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
dict_t *dict, dict_t *xdata)
@@ -1256,6 +1353,8 @@ afr_is_special_xattr (const char *name, fop_getxattr_cbk_t *cbk,
}
} else if (fnmatch (GF_XATTR_STIME_PATTERN, name, FNM_NOESCAPE) == 0) {
*cbk = afr_common_getxattr_stime_cbk;
+ } else if (strcmp (name, QUOTA_SIZE_KEY) == 0) {
+ *cbk = afr_getxattr_quota_size_cbk;
} else {
is_spl = _gf_false;
}
@@ -1390,8 +1489,7 @@ afr_getxattr (call_frame_t *frame, xlator_t *this,
return 0;
}
/*
- * if we are doing getxattr with pathinfo as the key then we
- * collect information from all childs
+ * Special xattrs which need responses from all subvols
*/
if (afr_is_special_xattr (name, &cbk, 0)) {
afr_getxattr_all_subvols (this, frame, name, loc, cbk);
diff --git a/xlators/cluster/afr/src/afr-inode-read.h b/xlators/cluster/afr/src/afr-inode-read.h
index e4091a793e0..d128134ef2a 100644
--- a/xlators/cluster/afr/src/afr-inode-read.h
+++ b/xlators/cluster/afr/src/afr-inode-read.h
@@ -39,4 +39,7 @@ int32_t
afr_fgetxattr (call_frame_t *frame, xlator_t *this,
fd_t *fd, const char *name, dict_t *xdata);
+
+int
+afr_handle_quota_size (call_frame_t *frame, xlator_t *this);
#endif /* __INODE_READ_H__ */
generated by cgit (git 2.34.1) at 2024-11-19 20:21:00 +0000