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authorBarak Sason Rofman <bsasonro@redhat.com>2019-12-18 19:18:40 +0200
committerBarak Sason Rofman <sason922@gmail.com>2020-02-13 12:41:44 +0200
commitc048df835e94a8707254d32db93c42f43f31abda (patch)
treeb611273c59fa477b46f18ae2dcf90b827e87deec /xlators/cluster/dht/src
parenta3c8a6180a53fb96cc090c5552c64088f68ec4dc (diff)
dht - Reducing methods scope
1. Reduced methods scope in the following: inode read&write, layout, linkfile, shard 2. Removed dead code @ dht-linkkile.c:174-228 & dht-shard.c:44 Change-Id: I2d08a10c7b074fccdb0c020845cad60c6ea32db5 updates: bz#1193929 Signed-off-by: Barak Sason Rofman <bsasonro@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src')
-rw-r--r--xlators/cluster/dht/src/dht-common.h25
-rw-r--r--xlators/cluster/dht/src/dht-inode-read.c50
-rw-r--r--xlators/cluster/dht/src/dht-inode-write.c24
-rw-r--r--xlators/cluster/dht/src/dht-layout.c11
-rw-r--r--xlators/cluster/dht/src/dht-linkfile.c7
-rw-r--r--xlators/cluster/dht/src/dht-shared.c47
6 files changed, 60 insertions, 104 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index d82087c..871b7ae 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -883,7 +883,6 @@ dht_layout_anomalies(xlator_t *this, loc_t *loc, dht_layout_t *layout,
int
dht_layout_dir_mismatch(xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
loc_t *loc, dict_t *xattr);
-
xlator_t *
dht_linkfile_subvol(xlator_t *this, inode_t *inode, struct iatt *buf,
dict_t *xattr);
@@ -901,9 +900,6 @@ int
dht_disk_layout_extract(xlator_t *this, dht_layout_t *layout, int pos,
int32_t **disk_layout_p);
int
-dht_disk_layout_merge(xlator_t *this, dht_layout_t *layout, int pos,
- void *disk_layout_raw, int disk_layout_len);
-int
dht_disk_layout_extract_for_subvol(xlator_t *this, dht_layout_t *layout,
xlator_t *subvol, int32_t **disk_layout_p);
@@ -949,7 +945,7 @@ dht_selfheal_new_directory(call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
int
dht_selfheal_restore(call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
loc_t *loc, dht_layout_t *layout);
-int
+void
dht_layout_sort_volname(dht_layout_t *layout);
int
@@ -966,14 +962,14 @@ dht_get_du_info_for_subvol(xlator_t *this, int subvol_idx);
int
dht_layout_preset(xlator_t *this, xlator_t *subvol, inode_t *inode);
int
-dht_layout_index_for_subvol(dht_layout_t *layout, xlator_t *subvol);
-int
dht_layout_set(xlator_t *this, inode_t *inode, dht_layout_t *layout);
;
void
dht_layout_unref(xlator_t *this, dht_layout_t *layout);
dht_layout_t *
dht_layout_ref(xlator_t *this, dht_layout_t *layout);
+int
+dht_layout_index_for_subvol(dht_layout_t *layout, xlator_t *subvol);
xlator_t *
dht_first_up_subvol(xlator_t *this);
xlator_t *
@@ -1240,10 +1236,6 @@ dht_common_xattrop_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
-dht_fxattrop_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
gf_defrag_status_get(dht_conf_t *conf, dict_t *dict);
void
@@ -1295,10 +1287,6 @@ int
dht_dir_attr_heal(void *data);
int
dht_dir_attr_heal_done(int ret, call_frame_t *sync_frame, void *data);
-int
-dht_dir_has_layout(dict_t *xattr, char *name);
-gf_boolean_t
-dht_is_subvol_in_layout(dht_layout_t *layout, xlator_t *xlator);
xlator_t *
dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol,
xlator_t *ignore, dht_layout_t *layout,
@@ -1307,15 +1295,18 @@ xlator_t *
dht_subvol_maxspace_nonzeroinode(xlator_t *this, xlator_t *subvol,
dht_layout_t *layout);
int
+dht_dir_has_layout(dict_t *xattr, char *name);
+int
dht_linkfile_attr_heal(call_frame_t *frame, xlator_t *this);
-void
-dht_layout_dump(dht_layout_t *layout, const char *prefix);
int32_t
dht_priv_dump(xlator_t *this);
int32_t
dht_inodectx_dump(xlator_t *this, inode_t *inode);
+gf_boolean_t
+dht_is_subvol_in_layout(dht_layout_t *layout, xlator_t *xlator);
+
int
dht_inode_ctx_get_mig_info(xlator_t *this, inode_t *inode,
xlator_t **src_subvol, xlator_t **dst_subvol);
diff --git a/xlators/cluster/dht/src/dht-inode-read.c b/xlators/cluster/dht/src/dht-inode-read.c
index 8007fc7..dbb8070 100644
--- a/xlators/cluster/dht/src/dht-inode-read.c
+++ b/xlators/cluster/dht/src/dht-inode-read.c
@@ -10,25 +10,25 @@
#include "dht-common.h"
-int
+static int
dht_access2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_readv2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_attr2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_open2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_flush2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_lk2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_fsync2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
-int
+static int
dht_common_xattrop2(xlator_t *this, xlator_t *subvol, call_frame_t *frame,
int ret);
-int
+static int
dht_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, fd_t *fd, dict_t *xdata)
{
@@ -67,7 +67,7 @@ out:
return 0;
}
-int
+static int
dht_open2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -216,7 +216,7 @@ err:
return 0;
}
-int
+static int
dht_attr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -258,7 +258,7 @@ out:
return 0;
}
-int
+static int
dht_attr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, struct iatt *stbuf, dict_t *xdata)
{
@@ -473,7 +473,7 @@ out:
return 0;
}
-int
+static int
dht_readv2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -558,7 +558,7 @@ err:
return 0;
}
-int
+static int
dht_access_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, dict_t *xdata)
{
@@ -606,7 +606,7 @@ out:
return 0;
}
-int
+static int
dht_access2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -735,7 +735,7 @@ out:
return 0;
}
-int
+static int
dht_flush2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -881,7 +881,7 @@ out:
return 0;
}
-int
+static int
dht_fsync2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -959,7 +959,7 @@ err:
/* TODO: for 'lk()' call, we need some other special error, may be ESTALE to
indicate that lock migration happened on the fd, so we can consider it as
phase 2 of migration */
-int
+static int
dht_lk_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, struct gf_flock *flock, dict_t *xdata)
{
@@ -1006,7 +1006,7 @@ out:
return 0;
}
-int
+static int
dht_lk2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -1087,7 +1087,7 @@ err:
return 0;
}
-int
+static int
dht_lease_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, struct gf_lease *lease, dict_t *xdata)
{
@@ -1129,7 +1129,7 @@ err:
}
/* Symlinks are currently not migrated, so no need for any check here */
-int
+static int
dht_readlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
int op_errno, const char *path, struct iatt *stbuf,
dict_t *xdata)
@@ -1305,7 +1305,7 @@ out:
return 0;
}
-int
+static int
dht_common_xattrop2(xlator_t *this, xlator_t *subvol, call_frame_t *frame,
int ret)
{
@@ -1364,7 +1364,7 @@ out:
return 0;
}
-int
+static int
dht_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
@@ -1452,7 +1452,7 @@ err:
return 0;
}
-int
+static int
dht_fxattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
@@ -1525,7 +1525,7 @@ err:
* below fops, hence not implementing 'migration' related checks
*/
-int
+static int
dht_inodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *xdata)
diff --git a/xlators/cluster/dht/src/dht-inode-write.c b/xlators/cluster/dht/src/dht-inode-write.c
index b6b349d..eda2491 100644
--- a/xlators/cluster/dht/src/dht-inode-write.c
+++ b/xlators/cluster/dht/src/dht-inode-write.c
@@ -10,17 +10,17 @@
#include "dht-common.h"
-int
+static int
dht_writev2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
+static int
dht_truncate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
+static int
dht_setattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
+static int
dht_fallocate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
+static int
dht_discard2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
+static int
dht_zerofill2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
int
@@ -142,7 +142,7 @@ out:
return 0;
}
-int
+static int
dht_writev2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -336,7 +336,7 @@ err:
return 0;
}
-int
+static int
dht_truncate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -555,7 +555,7 @@ err:
return 0;
}
-int
+static int
dht_fallocate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -731,7 +731,7 @@ err:
return 0;
}
-int
+static int
dht_discard2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -902,7 +902,7 @@ err:
return 0;
}
-int
+static int
dht_zerofill2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
@@ -1049,7 +1049,7 @@ out:
return 0;
}
-int
+static int
dht_setattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
dht_local_t *local = NULL;
diff --git a/xlators/cluster/dht/src/dht-layout.c b/xlators/cluster/dht/src/dht-layout.c
index f2bc63d..fda904c 100644
--- a/xlators/cluster/dht/src/dht-layout.c
+++ b/xlators/cluster/dht/src/dht-layout.c
@@ -254,7 +254,7 @@ dht_disk_layout_extract_for_subvol(xlator_t *this, dht_layout_t *layout,
return dht_disk_layout_extract(this, layout, i, disk_layout_p);
}
-int
+static int
dht_disk_layout_merge(xlator_t *this, dht_layout_t *layout, int pos,
void *disk_layout_raw, int disk_layout_len)
{
@@ -412,8 +412,7 @@ dht_layout_range_swap(dht_layout_t *layout, int i, int j)
layout->list[j].start = start_swap;
layout->list[j].stop = stop_swap;
}
-
-int64_t
+static int64_t
dht_layout_entry_cmp_volname(dht_layout_t *layout, int i, int j)
{
return (strcmp(layout->list[i].xlator->name, layout->list[j].xlator->name));
@@ -436,7 +435,7 @@ dht_is_subvol_in_layout(dht_layout_t *layout, xlator_t *xlator)
return _gf_false;
}
-int64_t
+static int64_t
dht_layout_entry_cmp(dht_layout_t *layout, int i, int j)
{
int64_t diff = 0;
@@ -472,7 +471,7 @@ dht_layout_sort(dht_layout_t *layout)
return 0;
}
-int
+void
dht_layout_sort_volname(dht_layout_t *layout)
{
int i = 0;
@@ -488,8 +487,6 @@ dht_layout_sort_volname(dht_layout_t *layout)
dht_layout_entry_swap(layout, i, j);
}
}
-
- return 0;
}
void
diff --git a/xlators/cluster/dht/src/dht-linkfile.c b/xlators/cluster/dht/src/dht-linkfile.c
index 67f2c5e..89ec6cc 100644
--- a/xlators/cluster/dht/src/dht-linkfile.c
+++ b/xlators/cluster/dht/src/dht-linkfile.c
@@ -11,7 +11,7 @@
#include <glusterfs/compat.h>
#include "dht-common.h"
-int
+static int
dht_linkfile_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int op_ret, int op_errno, inode_t *inode,
struct iatt *stbuf, dict_t *xattr,
@@ -43,8 +43,7 @@ out:
return 0;
}
-#define is_equal(a, b) ((a) == (b))
-int
+static int
dht_linkfile_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int op_ret, int op_errno, inode_t *inode,
struct iatt *stbuf, struct iatt *preparent,
@@ -251,7 +250,7 @@ out:
return subvol;
}
-int
+static int
dht_linkfile_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int op_ret, int op_errno, struct iatt *statpre,
struct iatt *statpost, dict_t *xdata)
diff --git a/xlators/cluster/dht/src/dht-shared.c b/xlators/cluster/dht/src/dht-shared.c
index 0b73121..d85b4d1 100644
--- a/xlators/cluster/dht/src/dht-shared.c
+++ b/xlators/cluster/dht/src/dht-shared.c
@@ -17,23 +17,6 @@
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
-#define GF_DECIDE_DEFRAG_THROTTLE_COUNT(throttle_count, conf) \
- { \
- throttle_count = MAX((sysconf(_SC_NPROCESSORS_ONLN) - 4), 4); \
- pthread_mutex_lock(&conf->defrag->dfq_mutex); \
- \
- if (!strcasecmp(conf->dthrottle, "lazy")) \
- conf->defrag->recon_thread_count = 1; \
- \
- else if (!strcasecmp(conf->dthrottle, "normal")) \
- conf->defrag->recon_thread_count = (throttle_count / 2); \
- \
- else if (!strcasecmp(conf->dthrottle, "aggressive")) \
- conf->defrag->recon_thread_count = throttle_count; \
- \
- pthread_mutex_unlock(&conf->defrag->dfq_mutex); \
- }
-
/* TODO:
- use volumename in xattr instead of "dht"
- use NS locks
@@ -41,9 +24,7 @@
- complete linkfile selfheal
*/
-extern dht_methods_t dht_methods;
-
-void
+static void
dht_layout_dump(dht_layout_t *layout, const char *prefix)
{
char key[GF_DUMP_MAX_BUF_LEN];
@@ -51,8 +32,6 @@ dht_layout_dump(dht_layout_t *layout, const char *prefix)
if (!layout)
goto out;
- if (!prefix)
- goto out;
gf_proc_dump_build_key(key, prefix, "cnt");
gf_proc_dump_write(key, "%d", layout->cnt);
@@ -263,7 +242,7 @@ out:
return ret;
}
-int
+static int
dht_parse_decommissioned_bricks(xlator_t *this, dht_conf_t *conf,
const char *bricks)
{
@@ -309,14 +288,10 @@ out:
return ret;
}
-int
+static void
dht_decommissioned_remove(xlator_t *this, dht_conf_t *conf)
{
int i = 0;
- int ret = -1;
-
- if (!conf)
- goto out;
for (i = 0; i < conf->subvolume_cnt; i++) {
if (conf->decommissioned_bricks[i]) {
@@ -324,13 +299,9 @@ dht_decommissioned_remove(xlator_t *this, dht_conf_t *conf)
conf->decommission_subvols_cnt--;
}
}
-
- ret = 0;
-out:
-
- return ret;
}
-void
+
+static void
dht_init_regex(xlator_t *this, dict_t *odict, char *name, regex_t *re,
gf_boolean_t *re_valid, dht_conf_t *conf)
{
@@ -387,7 +358,7 @@ out:
return ret;
}
-int
+static int
dht_configure_throttle(xlator_t *this, dht_conf_t *conf, char *temp_str)
{
int rebal_thread_count = 0;
@@ -526,9 +497,7 @@ dht_reconfigure(xlator_t *this, dict_t *options)
if (ret == -1)
goto out;
} else {
- ret = dht_decommissioned_remove(this, conf);
- if (ret == -1)
- goto out;
+ dht_decommissioned_remove(this, conf);
}
dht_init_regex(this, options, "rsync-hash-regex", &conf->rsync_regex,
@@ -614,7 +583,7 @@ out:
return ret;
}
-int
+static int
dht_init_methods(xlator_t *this)
{
int ret = -1;