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authorVikas Gorur <vikas@zresearch.com>2009-02-27 02:14:15 +0530
committerAnand V. Avati <avati@amp.gluster.com>2009-02-27 02:36:04 +0530
commit2dbcb3c79338dc4f4c45c21e4bf62e61e455ae19 (patch)
tree42ce3c02dc2f8adf741ee505ef21dae85a9f715a /xlators
parentf097e77ffb386dc73e3639af4a9cd57df0d3d40d (diff)
reverting nested locks in posix-locks for inodelk
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Diffstat (limited to 'xlators')
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c2
-rw-r--r--xlators/features/locks/src/common.c90
-rw-r--r--xlators/features/locks/src/common.h9
-rw-r--r--xlators/features/locks/src/internal.c381
-rw-r--r--xlators/features/locks/src/locks.h8
-rw-r--r--xlators/features/locks/src/posix.c8
6 files changed, 292 insertions, 206 deletions
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index 1f825286e..1c2931240 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -887,6 +887,8 @@ int afr_lock_rec (call_frame_t *frame, xlator_t *this, int child_index)
int32_t afr_lock (call_frame_t *frame, xlator_t *this)
{
+ frame->root->pid = frame->root;
+
return afr_lock_rec (frame, this, 0);
}
diff --git a/xlators/features/locks/src/common.c b/xlators/features/locks/src/common.c
index bdabb1511..d87aec229 100644
--- a/xlators/features/locks/src/common.c
+++ b/xlators/features/locks/src/common.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
@@ -37,53 +37,51 @@
#include "locks.h"
-int
-pl_is_lock_grantable (pl_inode_t *pl_inode, posix_lock_t *lock,
- gf_lk_domain_t dom);
+static int
+__is_lock_grantable (pl_inode_t *pl_inode, posix_lock_t *lock,
+ gf_lk_domain_t dom);
static void
__insert_and_merge (pl_inode_t *pl_inode, posix_lock_t *lock,
gf_lk_domain_t dom);
+#define DOMAIN_HEAD(pl_inode, dom) (dom == GF_LOCK_POSIX \
+ ? &pl_inode->ext_list \
+ : &pl_inode->int_list)
pl_inode_t *
pl_inode_get (xlator_t *this, inode_t *inode)
{
- pl_inode_t *pl_inode = NULL;
- mode_t st_mode = 0;
- uint64_t tmp_pl_inode = 0;
- int ret = 0;
-
- LOCK (&inode->lock);
- {
- ret = inode_ctx_get (inode, this, &tmp_pl_inode);
- if (ret == 0) {
- pl_inode = (pl_inode_t *)(long)tmp_pl_inode;
- goto out;
- }
+ pl_inode_t *pl_inode = NULL;
+ mode_t st_mode = 0;
+ int ret = 0;
+
+ ret = inode_ctx_get (inode, this,
+ (uint64_t *)(&pl_inode));
+ if (ret == 0)
+ goto out;
+
+ pl_inode = CALLOC (1, sizeof (*pl_inode));
+ if (!pl_inode) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
- pl_inode = CALLOC (1, sizeof (*pl_inode));
- if (!pl_inode) {
- gf_log (this->name, GF_LOG_ERROR,
- "out of memory :(");
- goto out;
- }
+ st_mode = inode->st_mode;
+ if ((st_mode & S_ISGID) && !(st_mode & S_IXGRP))
+ pl_inode->mandatory = 1;
- st_mode = inode->st_mode;
- if ((st_mode & S_ISGID) && !(st_mode & S_IXGRP))
- pl_inode->mandatory = 1;
+ pthread_mutex_init (&pl_inode->mutex, NULL);
- pthread_mutex_init (&pl_inode->mutex, NULL);
-
- INIT_LIST_HEAD (&pl_inode->dir_list);
- INIT_LIST_HEAD (&pl_inode->ext_list);
- INIT_LIST_HEAD (&pl_inode->int_list);
- INIT_LIST_HEAD (&pl_inode->rw_list);
+ INIT_LIST_HEAD (&pl_inode->dir_list);
+ INIT_LIST_HEAD (&pl_inode->ext_list);
+ INIT_LIST_HEAD (&pl_inode->int_list);
+ INIT_LIST_HEAD (&pl_inode->rw_list);
+
+ ret = inode_ctx_put (inode, this, (uint64_t)(long)(pl_inode));
- ret = inode_ctx_put (inode, this, (uint64_t)(long)pl_inode);
- }
out:
- UNLOCK (&inode->lock);
return pl_inode;
}
@@ -148,8 +146,8 @@ posix_lock_to_flock (posix_lock_t *lock, struct flock *flock)
/* Insert the lock into the inode's lock list */
-void
-pl_insert_lock (pl_inode_t *pl_inode, posix_lock_t *lock, gf_lk_domain_t dom)
+static void
+__insert_lock (pl_inode_t *pl_inode, posix_lock_t *lock, gf_lk_domain_t dom)
{
list_add_tail (&lock->list, DOMAIN_HEAD (pl_inode, dom));
@@ -305,9 +303,9 @@ first_overlap (pl_inode_t *pl_inode, posix_lock_t *lock,
/* Return true if lock is grantable */
-int
-pl_is_lock_grantable (pl_inode_t *pl_inode, posix_lock_t *lock,
- gf_lk_domain_t dom)
+static int
+__is_lock_grantable (pl_inode_t *pl_inode, posix_lock_t *lock,
+ gf_lk_domain_t dom)
{
posix_lock_t *l = NULL;
int ret = 1;
@@ -398,14 +396,14 @@ __insert_and_merge (pl_inode_t *pl_inode, posix_lock_t *lock,
}
if ((conf->fl_type == F_RDLCK) && (lock->fl_type == F_RDLCK)) {
- pl_insert_lock (pl_inode, lock, dom);
+ __insert_lock (pl_inode, lock, dom);
return;
}
}
/* no conflicts, so just insert */
if (lock->fl_type != F_UNLCK) {
- pl_insert_lock (pl_inode, lock, dom);
+ __insert_lock (pl_inode, lock, dom);
} else {
__destroy_lock (lock);
}
@@ -437,12 +435,12 @@ __grant_blocked_locks (xlator_t *this, pl_inode_t *pl_inode,
list_for_each_entry_safe (l, tmp, &tmp_list, list) {
list_del_init (&l->list);
- if (pl_is_lock_grantable (pl_inode, l, dom)) {
+ if (__is_lock_grantable (pl_inode, l, dom)) {
conf = CALLOC (1, sizeof (*conf));
if (!conf) {
l->blocked = 1;
- pl_insert_lock (pl_inode, l, dom);
+ __insert_lock (pl_inode, l, dom);
continue;
}
@@ -463,7 +461,7 @@ __grant_blocked_locks (xlator_t *this, pl_inode_t *pl_inode,
list_add (&conf->list, granted);
} else {
l->blocked = 1;
- pl_insert_lock (pl_inode, l, dom);
+ __insert_lock (pl_inode, l, dom);
}
}
}
@@ -506,7 +504,7 @@ pl_setlk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock,
pthread_mutex_lock (&pl_inode->mutex);
{
- if (pl_is_lock_grantable (pl_inode, lock, dom)) {
+ if (__is_lock_grantable (pl_inode, lock, dom)) {
gf_log (this->name, GF_LOG_DEBUG,
"%s (pid=%d) %"PRId64" - %"PRId64" => OK",
lock->fl_type == F_UNLCK ? "Unlock" : "Lock",
@@ -522,7 +520,7 @@ pl_setlk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock,
lock->user_flock.l_start,
lock->user_flock.l_len);
lock->blocked = 1;
- pl_insert_lock (pl_inode, lock, dom);
+ __insert_lock (pl_inode, lock, dom);
ret = -1;
} else {
gf_log (this->name, GF_LOG_DEBUG,
diff --git a/xlators/features/locks/src/common.h b/xlators/features/locks/src/common.h
index 45d0670e9..ee17b0087 100644
--- a/xlators/features/locks/src/common.h
+++ b/xlators/features/locks/src/common.h
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
@@ -33,13 +33,6 @@ int
pl_setlk (xlator_t *this, pl_inode_t *inode, posix_lock_t *lock,
int can_block, gf_lk_domain_t domain);
-int
-pl_is_lock_grantable (pl_inode_t *pl_inode, posix_lock_t *lock,
- gf_lk_domain_t dom);
-
-void
-pl_insert_lock (pl_inode_t *pl_inode, posix_lock_t *lock, gf_lk_domain_t dom);
-
void
grant_blocked_locks (xlator_t *this, pl_inode_t *inode, gf_lk_domain_t domain);
diff --git a/xlators/features/locks/src/internal.c b/xlators/features/locks/src/internal.c
index eb3862fe9..985762fb9 100644
--- a/xlators/features/locks/src/internal.c
+++ b/xlators/features/locks/src/internal.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
@@ -52,24 +52,6 @@ delete_locks_of_transport (pl_inode_t *pinode, transport_t *trans)
}
-static posix_lock_t *
-__find_exact_matching_lock (pl_inode_t *pinode, posix_lock_t *lock)
-{
- posix_lock_t *l = NULL;
- posix_lock_t *match = NULL;
-
- list_for_each_entry (l, DOMAIN_HEAD (pinode, GF_LOCK_INTERNAL), list) {
- if (same_owner (l, lock)
- && (l->fl_start == lock->fl_start)
- && (l->fl_end == lock->fl_end)) {
- match = l;
- break;
- }
- }
-
- return match;
-}
-
/**
* pl_inodelk:
*
@@ -78,26 +60,23 @@ __find_exact_matching_lock (pl_inode_t *pinode, posix_lock_t *lock)
* from those held by applications. This fop is for the use of AFR.
*/
-
-static int
-pl_inodelk_common (call_frame_t *frame, xlator_t *this,
- inode_t *inode, int32_t cmd, struct flock *flock)
+int
+pl_inodelk (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, int32_t cmd, struct flock *flock)
{
int32_t op_ret = -1;
int32_t op_errno = 0;
+ int ret = -1;
int can_block = 0;
-
posix_locks_private_t * priv = NULL;
transport_t * transport = NULL;
pid_t client_pid = -1;
pl_inode_t * pinode = NULL;
-
posix_lock_t * reqlock = NULL;
- posix_lock_t * matchlock = NULL; /* steady, fire! */
- VALIDATE_OR_GOTO (frame, unwind);
- VALIDATE_OR_GOTO (inode, unwind);
- VALIDATE_OR_GOTO (flock, unwind);
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (loc, out);
+ VALIDATE_OR_GOTO (flock, out);
if ((flock->l_start < 0) || (flock->l_len < 0)) {
op_errno = EINVAL;
@@ -109,9 +88,9 @@ pl_inodelk_common (call_frame_t *frame, xlator_t *this,
priv = (posix_locks_private_t *) this->private;
- VALIDATE_OR_GOTO (priv, unwind);
+ VALIDATE_OR_GOTO (priv, out);
- pinode = pl_inode_get (this, inode);
+ pinode = pl_inode_get (this, loc->inode);
if (!pinode) {
gf_log (this->name, GF_LOG_ERROR,
"out of memory :(");
@@ -124,7 +103,6 @@ pl_inodelk_common (call_frame_t *frame, xlator_t *this,
special case: this means release all locks
from this transport
*/
-
gf_log (this->name, GF_LOG_DEBUG,
"releasing all locks from transport %p", transport);
@@ -141,117 +119,145 @@ pl_inodelk_common (call_frame_t *frame, xlator_t *this,
goto unwind;
}
- pthread_mutex_lock (&pinode->mutex);
- {
- switch (cmd) {
- case F_SETLKW:
- can_block = 1;
- reqlock->frame = frame;
- reqlock->this = this;
-
- /* fall through */
-
- case F_SETLK:
- memcpy (&reqlock->user_flock, flock, sizeof (struct flock));
-
- switch (flock->l_type) {
-
- case F_WRLCK:
- if (!pl_is_lock_grantable (pinode, reqlock, GF_LOCK_INTERNAL)) {
- if (can_block) {
- gf_log (this->name, GF_LOG_DEBUG,
- "%s (pid=%d) %"PRId64" - %"PRId64" => blocked",
- reqlock->fl_type == F_UNLCK ? "unlock" : "lock",
- reqlock->client_pid,
- reqlock->user_flock.l_start,
- reqlock->user_flock.l_len);
- pl_insert_lock (pinode, reqlock, GF_LOCK_INTERNAL);
-
- goto unlock;
- }
-
- __destroy_lock (reqlock);
-
-
- gf_log (this->name, GF_LOG_DEBUG,
- "%s (pid=%d) %"PRId64" - %"PRId64" => NOK",
- reqlock->fl_type == F_UNLCK ? "unlock" : "lock",
- reqlock->client_pid, reqlock->user_flock.l_start,
- reqlock->user_flock.l_len);
- op_errno = EAGAIN;
-
- goto unlock;
- }
-
- gf_log (this->name, GF_LOG_DEBUG,
- "%s (pid=%d) %"PRId64" - %"PRId64" => OK",
- reqlock->fl_type == F_UNLCK ? "unlock" : "lock",
- reqlock->client_pid,
- reqlock->user_flock.l_start,
- reqlock->user_flock.l_len);
- pl_insert_lock (pinode, reqlock, GF_LOCK_INTERNAL);
-
- break;
-
- case F_UNLCK:
- matchlock = __find_exact_matching_lock (pinode, reqlock);
-
- __destroy_lock (reqlock);
- if (!matchlock) {
- op_errno = EINVAL;
- goto unlock;
- }
-
- __delete_lock (pinode, matchlock);
- __destroy_lock (matchlock);
-
- break;
-
- default:
- op_errno = ENOTSUP;
- gf_log (this->name, GF_LOG_ERROR,
- "lock type %d not supported for [F]INODELK",
- flock->l_type);
- goto unlock;
- }
-
-
- break;
-
- default:
- op_errno = ENOTSUP;
- gf_log (this->name, GF_LOG_ERROR,
- "lock command F_GETLK not supported for [F]INODELK (cmd=%d)",
- cmd);
- goto unlock;
+ switch (cmd) {
+ case F_SETLKW:
+ can_block = 1;
+ reqlock->frame = frame;
+ reqlock->this = this;
+
+ /* fall through */
+
+ case F_SETLK:
+ memcpy (&reqlock->user_flock, flock, sizeof (struct flock));
+ ret = pl_setlk (this, pinode, reqlock,
+ can_block, GF_LOCK_INTERNAL);
+
+ if (ret == -1) {
+ if (can_block)
+ goto out;
+
+ gf_log (this->name, GF_LOG_DEBUG, "returning EAGAIN");
+ op_errno = EAGAIN;
+ __destroy_lock (reqlock);
+ goto unwind;
}
-
- op_ret = 0;
-
- unlock:
- if (pinode)
- pthread_mutex_unlock (&pinode->mutex);
+ break;
+
+ default:
+ op_errno = ENOTSUP;
+ gf_log (this->name, GF_LOG_ERROR,
+ "lock command F_GETLK not supported for GF_FILE_LK (cmd=%d)",
+ cmd);
+ goto unwind;
}
-unwind:
+ op_ret = 0;
+
+unwind:
STACK_UNWIND (frame, op_ret, op_errno);
+out:
return 0;
}
int
-pl_inodelk (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t cmd, struct flock *flock)
-{
- return pl_inodelk_common (frame, this, loc->inode, cmd, flock);
-}
-
-
-int
pl_finodelk (call_frame_t *frame, xlator_t *this,
fd_t *fd, int32_t cmd, struct flock *flock)
{
- return pl_inodelk_common (frame, this, fd->inode, cmd, flock);
+ int32_t op_ret = -1;
+ int32_t op_errno = 0;
+ int ret = -1;
+ int can_block = 0;
+ posix_locks_private_t * priv = NULL;
+ transport_t * transport = NULL;
+ pid_t client_pid = -1;
+ pl_inode_t * pinode = NULL;
+ posix_lock_t * reqlock = NULL;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (fd, out);
+ VALIDATE_OR_GOTO (flock, out);
+
+ if ((flock->l_start < 0) || (flock->l_len < 0)) {
+ op_errno = EINVAL;
+ goto unwind;
+ }
+
+ transport = frame->root->trans;
+ client_pid = frame->root->pid;
+
+ priv = (posix_locks_private_t *) this->private;
+
+ VALIDATE_OR_GOTO (priv, out);
+
+ pinode = pl_inode_get (this, fd->inode);
+ if (!pinode) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+
+ if (client_pid == 0) {
+ /*
+ special case: this means release all locks
+ from this transport
+ */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "releasing all locks from transport %p", transport);
+
+ delete_locks_of_transport (pinode, transport);
+ goto unwind;
+ }
+
+ reqlock = new_posix_lock (flock, transport, client_pid);
+ if (!reqlock) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+
+ switch (cmd) {
+ case F_SETLKW:
+ can_block = 1;
+ reqlock->frame = frame;
+ reqlock->this = this;
+ reqlock->fd = fd;
+
+ /* fall through */
+
+ case F_SETLK:
+ memcpy (&reqlock->user_flock, flock, sizeof (struct flock));
+ ret = pl_setlk (this, pinode, reqlock,
+ can_block, GF_LOCK_INTERNAL);
+
+ if (ret == -1) {
+ if (can_block)
+ goto out;
+
+ gf_log (this->name, GF_LOG_DEBUG, "returning EAGAIN");
+ op_errno = EAGAIN;
+ __destroy_lock (reqlock);
+ goto unwind;
+ }
+ break;
+
+ default:
+ op_errno = ENOTSUP;
+ gf_log (this->name, GF_LOG_ERROR,
+ "lock command F_GETLK not supported for GF_FILE_LK (cmd=%d)",
+ cmd);
+ goto unwind;
+ }
+
+ op_ret = 0;
+
+unwind:
+ STACK_UNWIND (frame, op_ret, op_errno);
+out:
+ return 0;
}
@@ -642,9 +648,9 @@ unlock:
*/
int
-pl_entrylk_common (call_frame_t *frame, xlator_t *this,
- inode_t *inode, const char *basename,
- entrylk_cmd cmd, entrylk_type type)
+pl_entrylk (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, const char *basename,
+ entrylk_cmd cmd, entrylk_type type)
{
int32_t op_ret = -1;
int32_t op_errno = 0;
@@ -657,7 +663,8 @@ pl_entrylk_common (call_frame_t *frame, xlator_t *this,
pl_entry_lock_t *unlocked = NULL;
char unwind = 1;
- pinode = pl_inode_get (this, inode);
+
+ pinode = pl_inode_get (this, loc->inode);
if (!pinode) {
gf_log (this->name, GF_LOG_ERROR,
"out of memory :(");
@@ -744,19 +751,105 @@ out:
}
-int
-pl_entrylk (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *basename,
- entrylk_cmd cmd, entrylk_type type)
-{
- return pl_entrylk_common (frame, this, loc->inode, basename, cmd, type);
-}
-
+/**
+ * pl_entrylk:
+ *
+ * Locking on names (directory entries)
+ */
int
pl_fentrylk (call_frame_t *frame, xlator_t *this,
fd_t *fd, const char *basename,
entrylk_cmd cmd, entrylk_type type)
{
- return pl_entrylk_common (frame, this, fd->inode, basename, cmd, type);
+ int32_t op_ret = -1;
+ int32_t op_errno = 0;
+
+ transport_t * transport = NULL;
+ pid_t pid = -1;
+
+ pl_inode_t * pinode = NULL;
+ int ret = -1;
+ pl_entry_lock_t *unlocked = NULL;
+ char unwind = 1;
+
+ pinode = pl_inode_get (this, fd->inode);
+ if (!pinode) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ pid = frame->root->pid;
+ transport = frame->root->trans;
+
+ if (pid == 0) {
+ /*
+ this is a special case that means release
+ all locks from this transport
+ */
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "releasing locks for transport %p", transport);
+
+ release_entry_locks_for_transport (this, pinode, transport);
+ op_ret = 0;
+ goto out;
+ }
+
+ switch (cmd) {
+ case ENTRYLK_LOCK:
+ pthread_mutex_lock (&pinode->mutex);
+ {
+ ret = __lock_name (pinode, basename, type,
+ frame, this, 0);
+ }
+ pthread_mutex_unlock (&pinode->mutex);
+
+ if (ret < 0) {
+ if (ret == -EAGAIN)
+ unwind = 0;
+ op_errno = -ret;
+ goto out;
+ }
+ break;
+
+ case ENTRYLK_LOCK_NB:
+ pthread_mutex_lock (&pinode->mutex);
+ {
+ ret = __lock_name (pinode, basename, type,
+ frame, this, 1);
+ }
+ pthread_mutex_unlock (&pinode->mutex);
+
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+ break;
+
+ case ENTRYLK_UNLOCK:
+ pthread_mutex_lock (&pinode->mutex);
+ {
+ unlocked = __unlock_name (pinode, basename, type);
+ }
+ pthread_mutex_unlock (&pinode->mutex);
+
+ if (unlocked)
+ grant_blocked_entry_locks (this, pinode, unlocked);
+ break;
+
+ default:
+ gf_log (this->name, GF_LOG_ERROR,
+ "unexpected case!");
+ goto out;
+ }
+
+ op_ret = 0;
+out:
+ if (unwind) {
+ STACK_UNWIND (frame, op_ret, op_errno);
+ }
+
+ return 0;
}
diff --git a/xlators/features/locks/src/locks.h b/xlators/features/locks/src/locks.h
index b62b13a71..5a834657d 100644
--- a/xlators/features/locks/src/locks.h
+++ b/xlators/features/locks/src/locks.h
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
@@ -92,10 +92,10 @@ struct __pl_inode {
};
typedef struct __pl_inode pl_inode_t;
-#define DOMAIN_HEAD(pl_inode, dom) (dom == GF_LOCK_POSIX \
- ? &pl_inode->ext_list \
- : &pl_inode->int_list)
+#define LOCKS_FOR_DOMAIN(inode,domain) (domain == GF_LOCK_POSIX \
+ ? inode->fcntl_locks \
+ : inode->inodelk_locks)
struct __pl_fd {
gf_boolean_t nonblocking; /* whether O_NONBLOCK has been set */
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index c2fee4d58..46d2cb9a0 100644
--- a/xlators/features/locks/src/posix.c
+++ b/xlators/features/locks/src/posix.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
@@ -277,6 +277,7 @@ pl_flush (call_frame_t *frame, xlator_t *this,
priv = this->private;
pl_inode = pl_inode_get (this, fd->inode);
+
if (!pl_inode) {
gf_log (this->name, GF_LOG_ERROR, "returning EBADFD");
STACK_UNWIND (frame, -1, EBADFD);
@@ -443,7 +444,6 @@ pl_readv (call_frame_t *frame, xlator_t *this,
priv = this->private;
-
pl_inode = pl_inode_get (this, fd->inode);
if (priv->mandatory && pl_inode->mandatory) {
@@ -537,8 +537,8 @@ pl_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
priv = this->private;
-
pl_inode = pl_inode_get (this, fd->inode);
+
if (priv->mandatory && pl_inode->mandatory) {
region.fl_start = offset;
region.fl_end = offset + iov_length (vector, count) - 1;
@@ -719,7 +719,7 @@ pl_forget (xlator_t *this,
"Pending entry locks found!");
}
- FREE (pl_inode);
+ FREE (pl_inode);
return 0;
}