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2006-06-14[GFS2] Fix unlinked file handlingSteven Whitehouse38-1867/+738
This patch fixes the way we have been dealing with unlinked, but still open files. It removes all limits (other than memory for inodes, as per every other filesystem) on numbers of these which we can support on GFS2. It also means that (like other fs) its the responsibility of the last process to close the file to deallocate the storage, rather than the person who did the unlinking. Note that with GFS2, those two events might take place on different nodes. Also there are a number of other changes: o We use the Linux inode subsystem as it was intended to be used, wrt allocating GFS2 inodes o The Linux inode cache is now the point which we use for local enforcement of only holding one copy of the inode in core at once (previous to this we used the glock layer). o We no longer use the unlinked "special" file. We just ignore it completely. This makes unlinking more efficient. o We now use the 4th block allocation state. The previously unused state is used to track unlinked but still open inodes. o gfs2_inoded is no longer needed o Several fields are now no longer needed (and removed) from the in core struct gfs2_inode o Several fields are no longer needed (and removed) from the in core superblock There are a number of future possible optimisations and clean ups which have been made possible by this patch. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-06-10[DLM] compat patchPatrick Caulfield1-10/+156
Here's a patch which add 32/64 bit compat to the DLM IOs and tidies the structures for alignment. As it causes an ABI change I had few qualms about adding the extra flag for "is64bit" as it simply uses a byte that would have been padding. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Patrick Caulfield <pcaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-06-07[GFS2] Fix warning on impossible event in eattr codeSteven Whitehouse1-5/+4
The caller ensures that ea_list_i() is never called with an invalid type, so lets BUG() if we see one. This clears up a couple of compiler warnings too. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-06-06[GFS2] Move some fields around to reduce wasted spaceSteven Whitehouse1-9/+5
We can reclaim some space by moving fields in some structures in order to allow them to pack better on 64 bit architectures. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-06-06Merge branch 'master'Steven Whitehouse9-32/+151
2006-06-05[PATCH] fs/namei.c: Call to file_permission() under a spinlock in ↵Trond Myklebust1-9/+10
do_lookup_path() From: Trond Myklebust <Trond.Myklebust@netapp.com> We're presently running lock_kernel() under fs_lock via nfs's ->permission handler. That's a ranking bug and sometimes a sleep-in-spinlock bug. This problem was introduced in the openat() patchset. We should not need to hold the current->fs->lock for a codepath that doesn't use current->fs. [vsu@altlinux.ru: fix error path] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-01[PATCH] ext3 resize: fix double unlock_super()Andrew Morton1-1/+0
From: Andrew Morton <akpm@osdl.org> Spotted by Jan Capek <jca@sysgo.com> Cc: "Stephen C. Tweedie" <sct@redhat.com> Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Jan Capek <jca@sysgo.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-30[[CIFS] Pass truncate open flag through on file open in case setattr failsSteve French1-0/+2
on set size to zero. Signed-off-by: Sebastian Voitzsch <sebastoam/vpotzscj@web.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] Fix typos in previous fixSteve French2-5/+5
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] endian fix for new POSIX byte range lock supportSteve French1-2/+2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] fix memory leak in cifs session info struct on reconnectSteve French1-6/+82
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] ACPI suspend oopsSteve French1-2/+4
Wasn't able to reproduce a hard hang, but was able to get an oops if suspended the machine during a copy to the cifs mount. This led to some things hanging, including a "sync". Also got I/O errors when trying to access the mount afterwards (even when didn't see the oops), and had to unmount and remount in order to access the filesystem. This patch fixed the oops. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] Do not limit the length of share names (was 100 for whole UNC name)Steve French2-4/+9
during mount. Especially important for some non-Western languages. Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-30[CIFS] Fix new POSIX Locking for setting lock_type correctly on unlockSteve French5-7/+42
Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-05-26[PATCH] affs: possible null pointer dereference in affs_rename()Florin Malita1-2/+1
If affs_bread() fails, the exit path calls mark_buffer_dirty_inode() with a NULL argument. Coverity CID: 312. Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-26[GFS2] Change name due to local_nodeid being a macroSteven Whitehouse1-24/+24
Change names of local_nodeid to dlm_local_nodeid to prevent a namespace collision. Changed other local variable to match. Cc: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-26[GFS2] Fix for selinux supportRyan O'Hara1-0/+1
This should fix the mount problems with gfs2 and selinux. Signed-off-by: Ryan O'Hara <rohara@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-25Merge branch 'master'Steven Whitehouse31-372/+576
2006-05-24[GFS2] Casts for printing 64bit numbersSteven Whitehouse5-24/+27
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-24[GFS2] Cast 64 bit printk args to unsigned long long.David Teigland3-22/+26
Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-24JFS: Fix multiple errors in metapage_releasepageDave Kleikamp1-15/+5
It looks like metapage_releasepage was making in invalid assumption that the releasepage method would not be called on a dirty page. Instead of issuing a warning and releasing the metapage, it should return 0, indicating that the private data for the page cannot be released. I also realized that metapage_releasepage had the return code all wrong. If it is successful in releasing the private data, it should return 1, otherwise it needs to return 0. Lastly, there is no need to call wait_on_page_writeback, since try_to_release_page will not call us with a page in writback state. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
2006-05-23[PATCH] md: Make sure bi_max_vecs is set properly in bio_splitNeilBrown1-0/+3
Else a subsequent bio_clone might make a mess. Signed-off-by: Neil Brown <neilb@suse.de> Cc: "Don Dupuis" <dondster@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-23[PATCH] knfsd: Fix two problems that can cause rmmod nfsd to dieNeilBrown1-1/+3
Both cause the 'entries' count in the export cache to be non-zero at module removal time, so unregistering that cache fails and results in an oops. 1/ exp_pseudoroot (used for NFSv4 only) leaks a reference to an export entry. 2/ sunrpc_cache_update doesn't increment the entries count when it adds an entry. Thanks to "david m. richter" <richterd@citi.umich.edu> for triggering the problem and finding one of the bugs. Cc: "david m. richter" <richterd@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-22[GFS2] Flag up issue in selinux codeSteven Whitehouse1-7/+4
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-22[GFS2] selinux supportRyan O'Hara4-6/+69
This adds support to GFS2 for selinux extended attributes. There is a known bug in gfs2_ea_get() which is believed to be independant of this patch. Further patches will follow once that bug is fixed in order to make GFS2 use as much of the generic eattr infrastructure as possible. Signed-off-by: Ryan O'Hara <rohara@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-21[PATCH] fix NULL dereference in inotify_ignoreAmy Griffis1-2/+1
Don't reassign to watch. If idr_find() returns NULL, then put_inotify_watch() will choke. Signed-off-by: Amy Griffis <amy.griffis@hp.com> Cc: John McCutchan <john@johnmccutchan.com> Cc: Robert Love <rlove@rlove.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] fix race in inotify_releaseAmy Griffis1-1/+5
While doing some inotify stress testing, I hit the following race. In inotify_release(), it's possible for a watch to be removed from the lists in between dropping dev->mutex and taking inode->inotify_mutex. The reference we hold prevents the watch from being freed, but not from being removed. Checking the dev's idr mapping will prevent a double list_del of the same watch. Signed-off-by: Amy Griffis <amy.griffis@hp.com> Acked-by: John McCutchan <john@johnmccutchan.com> Cc: Robert Love <rml@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] binfmt_flat: don't check for EMFILEAndrew Morton1-21/+9
Bernd Schmidt points out that binfmt_flat is now leaving the exec file open while the application runs. This offsets all the application's fd numbers. We should have closed the file within exec(), not at exit()-time. But there doesn't seem to be a lot of point in doing all this just to avoid going over RLIMIT_NOFILE by one fd for a few microseconds. So take the EMFILE checking out again. This will cause binfmt_flat to again fail LTP's exec-should-return-EMFILE-when-fdtable-is-full test. That test appears to be wrong anyway - Open Group specs say nothing about exec() returning EMFILE. Cc: Bernd Schmidt <bernd.schmidt@analog.com> Cc: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] nfsd: sign conversion obscuring errors in nfsd_set_posix_acl()Florin Malita1-4/+3
Assigning the result of posix_acl_to_xattr() to an unsigned data type (size/size_t) obscures possible errors. Coverity CID: 1206. Signed-off-by: Florin Malita <fmalita@gmail.com> Acked-by: NeilBrown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] NFS server subtree_check returns dubious valuePeter Staubach1-1/+1
Address a problem found when a Linux NFS server uses the "subtree_check" export option. The "subtree_check" NFS export option was designed to prohibit a client from using a file handle for which it should not have permission. The algorithm used is to ensure that the entire path to the file being referenced is accessible to the user attempting to use the file handle. If some part of the path is not accessible, then the operation is aborted and the appropriate version of ESTALE is returned to the NFS client. The error, ESTALE, is unfortunate in that it causes NFS clients to make certain assumptions about the continued existence of the file. They assume that the file no longer exists and refuse to attempt to access it again. In this case, the file really does exist, but access was denied by the server for a particular user. A better error to return would be an EACCES sort of error. This would inform the client that the particular operation that it was attempting was not allowed, without the nasty side effects of the ESTALE error. Signed-off-by: Peter Staubach <staubach@redhat.com> Acked-By: NeilBrown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21[PATCH] NFS: fix error handling on access_ok in compat_sys_nfsservctlLin Feng Shen1-85/+92
Functions compat_nfs_svc_trans, compat_nfs_clnt_trans, compat_nfs_exp_trans, compat_nfs_getfd_trans and compat_nfs_getfs_trans, which are called by compat_sys_nfsservctl(fs/compat.c), don't handle the return value of access_ok properly. access_ok return 1 when the addr is valid, and 0 when it's not, but these functions have the reversed understanding. When the address is valid, they always return -EFAULT to compat_sys_nfsservctl. An example is to run /usr/sbin/rpc.nfsd(32bit program on Power5). It doesn't function as expected. strace showes that nfsservctl returns -EFAULT. The patch fixes this by correcting the error handling on the return value of access_ok in the five functions. Signed-off-by: Lin Feng Shen <shenlinf@cn.ibm.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-19[GFS2] setup lock_dlm kobject earlierDavid Teigland1-7/+7
Setup the lock_dlm kobject before setting up the dlm lockspace instead of after. We want to use the sysfs files to detect the mount without having to wait for the dlm setup which can take a while. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-19[GFS2] glock debugging and inode cache changesSteven Whitehouse6-43/+92
This adds some extra debugging to glock.c and changes inode.c's deallocation code to call the debugging code at a suitable moment. I'm chasing down a particular bug to do with deallocation at the moment and the code can go again once the bug is fixed. Also this includes the first part of some changes to unify the Linux struct inode and GFS2's struct gfs2_inode. This transformation will happen in small parts over the next short period. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Update copyright date to 2006Steven Whitehouse71-71/+71
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Remove semaphore.h from C filesSteven Whitehouse33-33/+0
We no longer use semaphores, everything has been converted to mutex or rwsem, so we don't need to include this header any more. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Drop log lock on I/O error & tidy upSteven Whitehouse4-16/+17
This patch drops the log spinlock when an I/O error occurs to avoid any possible problems in case of blocking or recursion in the I/O error routine. It also has a few cosmetic changes to tidy up various other files. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Remove bits.c from the MakefileSteven Whitehouse1-1/+1
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Make newly moved functions staticSteven Whitehouse1-9/+10
The functions moved from bits.c can now be made static. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18[GFS2] Merge bits.[ch] into rgrp.cSteven Whitehouse3-211/+161
Since they are small and will be inlined by the complier, it makes sense to merge the contents of bits.[ch] into rgrp.c Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18configfs: Make sure configfs_init() is called before consumers.Joel Becker1-1/+1
configfs_init() needs to be called first to register configfs before anyconsumers try to access it. Move up configfs in fs/Makefile to make sure it is initialized early. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18configfs: configfs_mkdir() failed to cleanup linkage.Joel Becker1-32/+72
If configfs_mkdir() errored in certain ways after the parent<->child linkage was already created, it would not undo the linkage. Also, comment the reference counting for clarity. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18configfs: Fix a reference leak in configfs_mkdir().Joel Becker1-11/+26
configfs_mkdir() failed to release the working parent reference in most exit paths. Also changed the exit path for readability. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18ocfs2: fix gfp mask in some file system pathsSunil Mushran4-10/+10
We were using GFP_KERNEL in a handful of places which really wanted GFP_NOFS. Fix this. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18ocfs2: Don't populate uptodate cache in ocfs2_force_read_journal()Mark Fasheh1-1/+3
This greatly reduces the amount of memory useded during recovery. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18ocfs2: take meta data lock in ocfs2_file_aio_read()Mark Fasheh1-0/+16
Temporarily take the meta data lock in ocfs2_file_aio_read() to allow us to update our inode fields. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-18ocfs2: take data locks around extendMark Fasheh3-33/+87
We need to take a data lock around extends to protect the pages that ocfs2_zero_extend is going to be pulling into the page cache. Otherwise an extend on one node might populate the page cache with data pages that have no lock coverage. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-05-16[GFS2] Fix ref count bug that used to bite us on umountSteven Whitehouse1-16/+6
The ref count of certain glock's got elevated too far during unlink which caused umount to fail. This fixes it. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-15[PATCH] jffs2 warning fixesAndrew Morton1-2/+4
fs/jffs2/nodelist.c: In function `check_node_data': fs/jffs2/nodelist.c:441: warning: unsigned int format, different type arg (arg 4) fs/jffs2/nodelist.c:464: warning: int format, different type arg (arg 5) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-15[PATCH] revert "vfs: propagate mnt_flags into do_loopback/vfsmount"Andrew Morton1-5/+2
Revert commit f6422f17d3a480f21917a3895e2a46b968f56a08, due to Valdis.Kletnieks@vt.edu wrote: > > There seems to have been a bug introduced in this changeset: > > Am running 2.6.17-rc3-mm1. When this changeset is applied, 'mount --bind' > misbehaves: > > > # mkdir /foo > > # mount -t tmpfs -o rw,nosuid,nodev,noexec,noatime,nodiratime none /foo > > # mkdir /foo/bar > > # mount --bind /foo/bar /foo > > # tail -2 /proc/mounts > > none /foo tmpfs rw,nosuid,nodev,noexec,noatime,nodiratime 0 0 > > none /foo tmpfs rw 0 0 > > Reverting this changeset causes both mounts to have the same options. > > (Thanks to Stephen Smalley for tracking down the changeset...) > Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Christoph Hellwig <hch@infradead.org> Cc: <Valdis.Kletnieks@vt.edu> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-15[PATCH] fs/compat.c: fix 'if (a |= b )' typoAlexey Dobriyan1-1/+1
Mentioned by Mark Armbrust somewhere on Usenet. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Ulrich Drepper <drepper@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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