diff options
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/cluster/afr/src/afr-inode-read.c | 58 | ||||
| -rw-r--r-- | xlators/cluster/dht/src/dht-common.c | 5 | ||||
| -rw-r--r-- | xlators/lib/src/libxlator.c | 55 | ||||
| -rw-r--r-- | xlators/lib/src/libxlator.h | 4 |
4 files changed, 120 insertions, 2 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c index 051b7b1647d..1fc8f613e6c 100644 --- a/xlators/cluster/afr/src/afr-inode-read.c +++ b/xlators/cluster/afr/src/afr-inode-read.c @@ -1323,6 +1323,62 @@ afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie, return ret; } +static int +afr_aggregate_stime_xattr (dict_t *this, char *key, data_t *value, void *data) +{ + int ret = 0; + + if (fnmatch (GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0) + ret = gf_get_min_stime (THIS, data, key, value); + + return ret; +} + +int32_t +afr_common_getxattr_stime_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno, + dict_t *dict, dict_t *xdata) +{ + afr_local_t *local = NULL; + int32_t callcnt = 0; + + if (!frame || !frame->local || !this) { + gf_log ("", GF_LOG_ERROR, "possible NULL deref"); + goto out; + } + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (!dict || (op_ret < 0)) { + local->op_errno = op_errno; + goto cleanup; + } + + if (!local->dict) + local->dict = dict_copy_with_ref (dict, NULL); + else + dict_foreach (dict, afr_aggregate_stime_xattr, + local->dict); + local->op_ret = 0; + } + +cleanup: + UNLOCK (&frame->lock); + + if (!callcnt) { + AFR_STACK_UNWIND (getxattr, frame, local->op_ret, + local->op_errno, local->dict, xdata); + } + +out: + return 0; +} + + static gf_boolean_t afr_is_special_xattr (const char *name, fop_getxattr_cbk_t *cbk, gf_boolean_t is_fgetxattr) @@ -1355,6 +1411,8 @@ afr_is_special_xattr (const char *name, fop_getxattr_cbk_t *cbk, } else { *cbk = afr_getxattr_lockinfo_cbk; } + } else if (fnmatch (GF_XATTR_STIME_PATTERN, name, FNM_NOESCAPE) == 0) { + *cbk = afr_common_getxattr_stime_cbk; } else { is_spl = _gf_false; } diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c index c7bbfd160f7..f1bc99be678 100644 --- a/xlators/cluster/dht/src/dht-common.c +++ b/xlators/cluster/dht/src/dht-common.c @@ -62,6 +62,11 @@ dht_aggregate (dict_t *this, char *key, data_t *value, void *data) } *size = hton64 (ntoh64 (*size) + ntoh64 (*ptr)); + + } else if (fnmatch (GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0) { + ret = gf_get_min_stime (THIS, dst, key, value); + if (ret < 0) + return ret; } else { /* compare user xattrs only */ if (!strncmp (key, "user.", strlen ("user."))) { diff --git a/xlators/lib/src/libxlator.c b/xlators/lib/src/libxlator.c index 624a929d059..8ae3ff3148a 100644 --- a/xlators/lib/src/libxlator.c +++ b/xlators/lib/src/libxlator.c @@ -357,3 +357,58 @@ err: return -1; } + +int +gf_get_min_stime (xlator_t *this, dict_t *dst, char *key, data_t *value) +{ + int ret = -1; + uint32_t *net_timebuf = NULL; + uint32_t *value_timebuf = NULL; + uint32_t host_timebuf[2] = {0,}; + uint32_t host_value_timebuf[2] = {0,}; + + /* stime should be minimum of all the other nodes */ + ret = dict_get_bin (dst, key, (void **)&net_timebuf); + if (ret < 0) { + net_timebuf = GF_CALLOC (1, sizeof (int64_t), + gf_common_mt_char); + if (!net_timebuf) + goto out; + + ret = dict_set_bin (dst, key, net_timebuf, sizeof (int64_t)); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "key=%s: dict set failed", key); + goto error; + } + } + + value_timebuf = data_to_bin (value); + if (!value_timebuf) { + gf_log (this->name, GF_LOG_WARNING, + "key=%s: getting value of stime failed", key); + ret = -1; + goto out; + } + + get_hosttime (value_timebuf, host_value_timebuf); + get_hosttime (net_timebuf, host_timebuf); + + /* can't use 'min()' macro here as we need to compare two fields + in the array, selectively */ + if ((host_value_timebuf[0] > host_timebuf[0]) || + ((host_value_timebuf[0] == host_timebuf[0]) && + (host_value_timebuf[1] > host_timebuf[1]))) { + update_timebuf (value_timebuf, net_timebuf); + } + + ret = 0; +out: + return ret; +error: + /* To be used only when net_timebuf is not set in the dict */ + if (net_timebuf) + GF_FREE (net_timebuf); + + return ret; +} diff --git a/xlators/lib/src/libxlator.h b/xlators/lib/src/libxlator.h index 7e75c94829d..c89629e9d9b 100644 --- a/xlators/lib/src/libxlator.h +++ b/xlators/lib/src/libxlator.h @@ -98,7 +98,7 @@ cluster_getmarkerattr (call_frame_t *frame,xlator_t *this, loc_t *loc, int match_uuid_local (const char *name, char *uuid); - - +int +gf_get_min_stime (xlator_t *this, dict_t *dst, char *key, data_t *value); #endif /* !_LIBXLATOR_H */ |