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authorRaghavendra G <rgowdapp@redhat.com>2013-09-16 21:35:08 +0530
committerAnand Avati <avati@redhat.com>2013-11-26 10:23:02 -0800
commit460ce40d3e2069bf6262dccea6f5ae2fac60d90f (patch)
treef4f2dec9b963edd4ef9233486e341d940c965ed4 /xlators/storage
parentd6dc8d0e9e2052818c9858f6b073a8bacc3fca88 (diff)
features/marker: quota friendly changes
* handles renames on dht linkfiles correctly * nameless lookup friendly changes. uses gfid-to-path conversion functionality from storage/posix to build ancestry till root. * log message cleanup. * build inode contexts in readdirp * Accounting still not correct with hardlinks. Credits: ======== Vijay Bellur <vbellur@redhat.com> Raghavendra Bhat <rabhat@redhat.com> Change-Id: I415b6fbbc9691f5a38d9fd3c5d083a61e578bb81 BUG: 969461 Signed-off-by: Raghavendra G <rgowdapp@redhat.com> Reviewed-on: http://review.gluster.org/5953 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/storage')
-rw-r--r--xlators/storage/posix/src/posix-helpers.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index 4db15bf..0e187e0 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -52,6 +52,8 @@ char *marker_xattrs[] = {"trusted.glusterfs.quota.*",
"trusted.glusterfs.*.xtime",
NULL};
+char *marker_contri_key = "trusted.*.*.contri";
+
static char* posix_ignore_xattrs[] = {
"gfid-req",
GLUSTERFS_ENTRYLK_COUNT,
@@ -142,6 +144,94 @@ out:
return ret;
}
+static int gf_posix_xattr_enotsup_log;
+
+static int
+_posix_get_marker_all_contributions (posix_xattr_filler_t *filler)
+{
+ ssize_t size = -1, remaining_size = -1, list_offset = 0;
+ int ret = -1;
+ char *list = NULL, key[4096] = {0, };
+
+ size = sys_llistxattr (filler->real_path, NULL, 0);
+ if (size == -1) {
+ if ((errno == ENOTSUP) || (errno == ENOSYS)) {
+ GF_LOG_OCCASIONALLY (gf_posix_xattr_enotsup_log,
+ THIS->name, GF_LOG_WARNING,
+ "Extended attributes not "
+ "supported (try remounting brick"
+ " with 'user_xattr' flag)");
+
+ } else {
+ gf_log (THIS->name, GF_LOG_WARNING,
+ "listxattr failed on %s: %s",
+ filler->real_path, strerror (errno));
+
+ }
+
+ goto out;
+ }
+
+ if (size == 0) {
+ ret = 0;
+ goto out;
+ }
+
+ list = alloca (size + 1);
+ if (!list) {
+ goto out;
+ }
+
+ size = sys_llistxattr (filler->real_path, list, size);
+ if (size <= 0) {
+ ret = size;
+ goto out;
+ }
+
+ remaining_size = size;
+ list_offset = 0;
+
+ while (remaining_size > 0) {
+ if (*(list + list_offset) == '\0')
+ break;
+ strcpy (key, list + list_offset);
+ if (fnmatch (marker_contri_key, key, 0) == 0) {
+ ret = _posix_xattr_get_set_from_backend (filler, key);
+ }
+
+ remaining_size -= strlen (key) + 1;
+ list_offset += strlen (key) + 1;
+ }
+
+ ret = 0;
+
+out:
+ return ret;
+}
+
+static int
+_posix_get_marker_quota_contributions (posix_xattr_filler_t *filler, char *key)
+{
+ char *saveptr = NULL, *token = NULL, *tmp_key = NULL;
+ char *ptr = NULL;
+ int i = 0, ret = 0;
+
+ tmp_key = ptr = gf_strdup (key);
+ for (i = 0; i < 4; i++) {
+ token = strtok_r (tmp_key, ".", &saveptr);
+ tmp_key = NULL;
+ }
+
+ if (strncmp (token, "contri", strlen ("contri")) == 0) {
+ ret = _posix_get_marker_all_contributions (filler);
+ } else {
+ ret = _posix_xattr_get_set_from_backend (filler, key);
+ }
+
+ GF_FREE (ptr);
+
+ return ret;
+}
static int
_posix_xattr_get_set (dict_t *xattr_req,
@@ -239,6 +329,8 @@ _posix_xattr_get_set (dict_t *xattr_req,
goto out;
}
+ } else if (fnmatch (marker_contri_key, key, 0) == 0) {
+ ret = _posix_get_marker_quota_contributions (filler, key);
} else {
ret = _posix_xattr_get_set_from_backend (filler, key);
}