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PR/42484 CVS commit: src/sys/fs/tmpfs



The following reply was made to PR kern/42484; it has been noted by GNATS.

From: "Mindaugas Rasiukevicius" <rmind%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/42484 CVS commit: src/sys/fs/tmpfs
Date: Sun, 29 May 2011 22:29:08 +0000

 Module Name:   src
 Committed By:  rmind
 Date:          Sun May 29 22:29:07 UTC 2011
 
 Modified Files:
        src/sys/fs/tmpfs: tmpfs.h tmpfs_subr.c tmpfs_vfsops.c tmpfs_vnops.c
 
 Log Message:
 - Rework and document inode reference counting.  Also document inode life
   cycle (destruction part).  Perform link counting in tmpfs_dir_attach()
   and tmpfs_dir_detach(), instead of alloc/free and arbitrary places.
   Fixes PR/44285, PR/44288, PR/44657 and likely PR/42484.
 
 - Fix the race between the lookup and inode destruction.  Fixes PR/43167
   and its duplicates PR/40088, PR/40757.
 
 - Improve tmpfs_rename() locking a little, fix kqueue event notifications
   and also fix PR/43617.  Add simplistic tmpfs_parentcheck_p(); to be
   expanded and used for further rename() locking fixes.
 
 - Cache directory entry "hint" in the tmpfs node, add tmpfs_dir_cached(),
   and thus avoid unnecessary lookup in tmpfs_remove() and tmpfs_rmdir().
 
 - Set correct _PC_FILESIZEBITS value in tmpfs_pathconf().  Fixes PR/43576.
 
 - Few minor fixes.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.43 -r1.44 src/sys/fs/tmpfs/tmpfs.h
 cvs rdiff -u -r1.70 -r1.71 src/sys/fs/tmpfs/tmpfs_subr.c
 cvs rdiff -u -r1.50 -r1.51 src/sys/fs/tmpfs/tmpfs_vfsops.c
 cvs rdiff -u -r1.84 -r1.85 src/sys/fs/tmpfs/tmpfs_vnops.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.
 


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