summaryrefslogtreecommitdiff
path: root/usr/src/uts/common/os/flock.c
diff options
context:
space:
mode:
authoramw <none@none>2007-10-25 16:34:29 -0700
committeramw <none@none>2007-10-25 16:34:29 -0700
commitda6c28aaf62fa55f0fdb8004aa40f88f23bf53f0 (patch)
tree65be91fb78a6a66183197595333f2e8aafb4640a /usr/src/uts/common/os/flock.c
parente845e33dd0d1aea22db7edaa8c7d43955d24609b (diff)
downloadillumos-joyent-da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0.tar.gz
PSARC/2007/218 caller_context_t in all VOPs
PSARC/2007/227 VFS Feature Registration and ACL on Create PSARC/2007/244 ZFS Case-insensitive support PSARC/2007/315 Extensible Attribute Interfaces PSARC/2007/394 ls(1) new command line options '-/' and '-%': CIFS system attributes support PSARC/2007/403 Modified Access Checks for CIFS PSARC/2007/410 Add system attribute support to chmod(1) PSARC/2007/432 CIFS system attributes support for cp(1), pack(1), unpack(1), compress(1) and uncompress(1) PSARC/2007/444 Rescind SETTABLE Attribute PSARC/2007/459 CIFS system attributes support for cpio(1), pax(1), tar(1) PSARC/2007/546 Update utilities to match CIFS system attributes changes. PSARC/2007/560 ZFS sharesmb property 4890717 want append-only files 6417428 Case-insensitive file system name lookup to support CIFS 6417435 DOS attributes and additional timestamps to support for CIFS 6417442 File system quarantined and modified attributes to support an integrated Anti-Virus service 6417453 FS boolean property for rejecting/allowing invalid UTF-8 sequences in file names 6473733 RFE: Need support for open-deny modes 6473755 RFE: Need ability to reconcile oplock and delegation conflicts 6494624 sharemgr needs to support CIFS shares better 6546705 All vnode operations need to pass caller_context_t 6546706 Need VOP_SETATTR/VOP_GETATTR to support new, optional attributes 6546893 Solaris system attribute support 6550962 ZFS ACL inheritance needs to be enhanced to support Automatic Inheritance 6553589 RFE: VFS Feature Registration facility 6553770 RFE: ZFS support for ACL-on-CREATE (PSARC 2007/227) 6565581 ls(1) should support file system attributes proposed in PSARC/2007/315 6566784 NTFS streams are not copied along with the files. 6576205 cp(1), pack(1) and compress(1) should support file system attributes proposed in PSARC/2007/315 6578875 RFE: kernel interfaces for nbmand need improvement 6578883 RFE: VOP_SHRLOCK needs additional access types 6578885 chmod(1) should support file system attributes proposed in PSARC/2007/315 6578886 RFE: disallow nbmand state to change on remount 6583349 ACL parser needs to support audit/alarm ACE types 6590347 tar(1) should support filesystem attributes proposed in PSARC/2007/315 6597357 *tar* xv@ doesn't show the hidden directory even though it is restored 6597360 *tar* should re-init xattr info if openat() fails during extraction of and extended attribute 6597368 *tar* cannot restore hard linked extended attributes 6597374 *tar* doesn't display "x " when hard linked attributes are restored 6597375 *tar* extended attribute header off by one 6614861 *cpio* incorrectly archives extended system attributes with -@ 6614896 *pax* incorrectly archives extended system attributes with -@ 6615225 *tar* incorrectly archives extended system attributes with -@ 6617183 CIFS Service - PSARC 2006/715
Diffstat (limited to 'usr/src/uts/common/os/flock.c')
-rw-r--r--usr/src/uts/common/os/flock.c39
1 files changed, 24 insertions, 15 deletions
diff --git a/usr/src/uts/common/os/flock.c b/usr/src/uts/common/os/flock.c
index a3028b75dc..da81003d1c 100644
--- a/usr/src/uts/common/os/flock.c
+++ b/usr/src/uts/common/os/flock.c
@@ -2,9 +2,8 @@
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
@@ -22,7 +21,7 @@
/* ONC_PLUS EXTRACT START */
/*
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -201,7 +200,7 @@ static int level_one_path(lock_descriptor_t *, lock_descriptor_t *);
static int level_two_path(lock_descriptor_t *, lock_descriptor_t *, int);
#endif
-/* proc_graph function definitons */
+/* proc_graph function definitions */
static int flk_check_deadlock(lock_descriptor_t *);
static void flk_proc_graph_uncolor(void);
static proc_vertex_t *flk_get_proc_vertex(lock_descriptor_t *);
@@ -684,7 +683,7 @@ flk_zone_fini(zoneid_t zoneid, void *data)
}
/*
- * Get a lock_descriptor structure with initialisation of edge lists.
+ * Get a lock_descriptor structure with initialization of edge lists.
*/
static lock_descriptor_t *
@@ -727,14 +726,14 @@ flk_set_state(lock_descriptor_t *lock, int new_state)
{
/*
* Locks in the sleeping list may be woken up in a number of ways,
- * and more than once. If a sleeping lock is signalled awake more
+ * and more than once. If a sleeping lock is signaled awake more
* than once, then it may or may not change state depending on its
* current state.
* Also note that NLM locks that are sleeping could be moved to an
* interrupted state more than once if the unlock request is
* retransmitted by the NLM client - the second time around, this is
* just a nop.
- * The ordering of being signalled awake is:
+ * The ordering of being signaled awake is:
* INTERRUPTED_STATE > CANCELLED_STATE > GRANTED_STATE.
* The checks below implement this ordering.
*/
@@ -2671,7 +2670,7 @@ convoff(vp, lckdat, whence, offset)
if ((lckdat->l_whence == 2) || (whence == 2)) {
vattr.va_mask = AT_SIZE;
- if (error = VOP_GETATTR(vp, &vattr, 0, CRED()))
+ if (error = VOP_GETATTR(vp, &vattr, 0, CRED(), NULL))
return (error);
}
@@ -3271,7 +3270,7 @@ flk_set_lockmgr_status(flk_lockmgr_status_t status)
*
* A list containing the vnode pointer and an flock structure
* describing the lock is returned. Each element in the list is
- * dynammically allocated and must be freed by the caller. The
+ * dynamically allocated and must be freed by the caller. The
* last item in the list is denoted by a NULL value in the ll_next
* field.
*
@@ -3721,7 +3720,7 @@ wait_for_lock(lock_descriptor_t *request)
* Create an flock structure from the existing lock information
*
* This routine is used to create flock structures for the lock manager
- * to use in a reclaim request. Since the lock was orginated on this
+ * to use in a reclaim request. Since the lock was originated on this
* host, it must be conforming to UNIX semantics, so no checking is
* done to make sure it falls within the lower half of the 32-bit range.
*/
@@ -3768,7 +3767,7 @@ flk_convert_lock_data(vnode_t *vp, flock64_t *flp,
break;
case 2: /* SEEK_END */
vattr.va_mask = AT_SIZE;
- if (error = VOP_GETATTR(vp, &vattr, 0, CRED()))
+ if (error = VOP_GETATTR(vp, &vattr, 0, CRED(), NULL))
return (error);
*start = (u_offset_t)(flp->l_start + vattr.va_size);
break;
@@ -3914,11 +3913,21 @@ cl_flk_change_nlm_state_to_unknown(int nlmid)
int
nbl_lock_conflict(vnode_t *vp, nbl_op_t op, u_offset_t offset,
- ssize_t length, int svmand)
+ ssize_t length, int svmand, caller_context_t *ct)
{
int conflict = 0;
graph_t *gp;
lock_descriptor_t *lock;
+ pid_t pid;
+ int sysid;
+
+ if (ct == NULL) {
+ pid = curproc->p_pid;
+ sysid = 0;
+ } else {
+ pid = ct->cc_pid;
+ sysid = ct->cc_sysid;
+ }
mutex_enter(&flock_lock);
gp = lock_graph[HASH_INDEX(vp)];
@@ -3931,8 +3940,8 @@ nbl_lock_conflict(vnode_t *vp, nbl_op_t op, u_offset_t offset,
for (; lock && lock->l_vnode == vp; lock = lock->l_next) {
if ((svmand || (lock->l_state & NBMAND_LOCK)) &&
- lock->l_flock.l_sysid == 0 &&
- lock->l_flock.l_pid != curproc->p_pid &&
+ (lock->l_flock.l_sysid != sysid ||
+ lock->l_flock.l_pid != pid) &&
lock_blocks_io(op, offset, length,
lock->l_type, lock->l_start, lock->l_end)) {
conflict = 1;