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2011-05-29SUNRPC: introduce xdr_init_decode_pagesBenny Halevy3-21/+6
Initialize xdr_stream and xdr_buf using an array of page pointers and length of buffer. Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29NFSv4.1: use layout driver in global device cacheBenny Halevy4-16/+23
pnfs deviceids are unique per server, per layout type. struct nfs_client is currently used to distinguish deviceids from different nfs servers, yet these may clash between different layout types on the same server. Therefore, use the layout driver associated with each deviceid at insertion time to look it up, unhash, or delete it. Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29pnfs: CB_NOTIFY_DEVICEIDMarc Eshel5-15/+241
Note: This functionlaity is incomplete as all layout segments referring to the 'to be removed device id' need to be reaped, and all in flight I/O drained. [use be32 res in nfs4_callback_devicenotify] [use nfs_client to qualify deviceid for cb_notify_deviceid] [use global deviceid cache for CB_NOTIFY_DEVICEID] [refactor device cache _lookup_deviceid] [refactor device cache _find_get_deviceid] Signed-off-by: Benny Halevy <bhalevy@panasas.com> [Bug in new global-device-cache code] [layout_driver MUST set free_deviceid_node if using dev-cache] Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29eCryptfs: Cleanup inode initialization codeTyler Hicks2-68/+69
The eCryptfs inode get, initialization, and dentry interposition code has two separate paths. One is for when dentry interposition is needed after doing things like a mkdir in the lower filesystem and the other is needed after a lookup. Unlocking new inodes and doing a d_add() needs to happen at different times, depending on which type of dentry interposing is being done. This patch cleans up the inode get and initialization code paths and splits them up so that the locking and d_add() differences mentioned above can be handled appropriately in a later patch. Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Tested-by: David <david@unsolicited.net>
2011-05-29NFSv4.1: purge deviceid cache on nfs_free_clientBenny Halevy6-7/+70
Use the pnfs_layoutdriver_type both as a qualifier for the deviceid, distinguishing deviceid from different layout types on the server, and for freeing the layout-driver allocated structure containing the nfs4_deviceid_node. [BUG in _deviceid_purge_client] [layout_driver MUST set free_deviceid_node if using dev-cache] [let ver < 4.1 compile] Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> [removed EXPORT_SYMBOL_GPL(nfs4_deviceid_purge_client)] Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29eCryptfs: Consolidate inode functions into inode.cTyler Hicks4-107/+91
These functions should live in inode.c since their focus is on inodes and they're primarily used by functions in inode.c. Also does a simple cleanup of ecryptfs_inode_test() and rolls ecryptfs_init_inode() into ecryptfs_inode_set(). Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Tested-by: David <david@unsolicited.net>
2011-05-29NFSv4.1: make deviceid cache globalBenny Halevy6-103/+194
Move deviceid cache from the pnfs files layout driver to the generic layer in preparation for the objects layout driver. Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29pnfs: resolve header dependency in pnfs.hBenny Halevy1-0/+1
Some definitions in the header file depend on nfs_fs.h so pnfs.h can't be included independently. Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29NFSv4.1: use struct nfs_client to qualify deviceidBenny Halevy3-7/+7
deviceids are unique per server, per layout type. Therefore, in the global cache in the files layout driver deviceids from different servers may clash so we need to qualify them with a struct nfs_client that represents the nfs server that returned the deviceid. Introduced in 2.6.39 commit ea8eecdd "NFSv4.1 move deviceid cache to filelayout driver" Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29NFSv4.1: fix typo in filelayout_check_layoutJim Rees1-1/+1
Signed-off-by: Jim Rees <rees@umich.edu> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2011-05-29Squashfs: Fix sanity check patches on big-endian systemsPhillip Lougher4-6/+6
le64 values should be swapped when accessing on big-endian systems. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
2011-05-28Merge branch 'for-linus' of ↵Linus Torvalds48-227/+94
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (36 commits) Cache xattr security drop check for write v2 fs: block_page_mkwrite should wait for writeback to finish mm: Wait for writeback when grabbing pages to begin a write configfs: remove unnecessary dentry_unhash on rmdir, dir rename fat: remove unnecessary dentry_unhash on rmdir, dir rename hpfs: remove unnecessary dentry_unhash on rmdir, dir rename minix: remove unnecessary dentry_unhash on rmdir, dir rename fuse: remove unnecessary dentry_unhash on rmdir, dir rename coda: remove unnecessary dentry_unhash on rmdir, dir rename afs: remove unnecessary dentry_unhash on rmdir, dir rename affs: remove unnecessary dentry_unhash on rmdir, dir rename 9p: remove unnecessary dentry_unhash on rmdir, dir rename ncpfs: fix rename over directory with dangling references ncpfs: document dentry_unhash usage ecryptfs: remove unnecessary dentry_unhash on rmdir, dir rename hostfs: remove unnecessary dentry_unhash on rmdir, dir rename hfsplus: remove unnecessary dentry_unhash on rmdir, dir rename hfs: remove unnecessary dentry_unhash on rmdir, dir rename omfs: remove unnecessary dentry_unhash on rmdir, dir rneame udf: remove unnecessary dentry_unhash from rmdir, dir rename ...
2011-05-28Cache xattr security drop check for write v2Andi Kleen2-2/+12
Some recent benchmarking on btrfs showed that a major scaling bottleneck on large systems on btrfs is currently the xattr lookup on every write. Why xattr lookup on every write I hear you ask? write wants to drop suid and security related xattrs that could set o capabilities for executables. To do that it currently looks up security.capability on EVERY write (even for non executables) to decide whether to drop it or not. In btrfs this causes an additional tree walk, hitting some per file system locks and quite bad scalability. In a simple read workload on a 8S system I saw over 90% CPU time in spinlocks related to that. Chris Mason tells me this is also a problem in ext4, where it hits the global mbcache lock. This patch adds a simple per inode to avoid this problem. We only do the lookup once per file and then if there is no xattr cache the decision. All xattr changes clear the flag. I also used the same flag to avoid the suid check, although that one is pretty cheap. A file system can also set this flag when it creates the inode, if it has a cheap way to do so. This is done for some common file systems in followon patches. With this patch a major part of the lock contention disappears for btrfs. Some testing on smaller systems didn't show significant performance changes, but at least it helps the larger systems and is generally more efficient. v2: Rename is_sgid. add file system helper. Cc: chris.mason@oracle.com Cc: josef@redhat.com Cc: viro@zeniv.linux.org.uk Cc: agruen@linbit.com Cc: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28block: improve the bio_add_page() and bio_add_pc_page() descriptionsAndreas Gruenbacher1-8/+8
The descriptions of bio_add_page() and bio_add_pc_page() are slightly inconsistent; improve them. Signed-off-by: Andreas Gruenbacher <agruen@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-28fs: block_page_mkwrite should wait for writeback to finishDarrick J. Wong1-0/+1
For filesystems such as nilfs2 and xfs that use block_page_mkwrite, modify that function to wait for pending writeback before allowing the page to become writable. This is needed to stabilize pages during writeback for those two filesystems. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28configfs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-2/+0
configfs does not have problems with references to unlinked directories. CC: Joel Becker <jlbec@evilplan.org> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28fat: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil2-10/+0
fat does not have problems with references to unlinked directories. CC: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28hpfs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
Hpfs has no problems with references to unlinked directories. We leave one dentry_unhash call in place, in hpfs_unlink's strange path where it tries to truncate a file because the disk is full. I'm not sure what the full story is there. CC: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28minix: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
Minix has no issues with references to unlinked directories. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28fuse: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
Fuse has no problems with references to unlinked directories. CC: Miklos Szeredi <miklos@szeredi.hu> CC: fuse-devel@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28coda: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
Coda has no problems with references to unlinked directories. CC: Jan Harkes <jaharkes@cs.cmu.edu> CC: coda@cs.cmu.edu CC: codalist@coda.cs.cmu.edu Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28afs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
afs has no problems with references to unlinked directories. CC: David Howells <dhowells@redhat.com> CC: linux-afs@lists.infradead.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28affs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
affs has no problems with references to unlinked directories. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-289p: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-4/+0
9p has no problems with references to unlinked directories. CC: Eric Van Hensbergen <ericvh@gmail.com> CC: Ron Minnich <rminnich@sandia.gov> CC: Latchesar Ionkov <lucho@ionkov.net> CC: v9fs-developer@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28ncpfs: fix rename over directory with dangling referencesSage Weil1-1/+9
ncpfs does not handle references to unlinked directories (or so it would seem given the ncp_rmdir check). Since it is also possible to rename over an empty directory, perform the same check here. CC: Petr Vandrovec <petr@vandrovec.name> CC: linux-kernel@vger.kernel.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28ncpfs: document dentry_unhash usageSage Weil1-1/+4
ncpfs returns EBUSY if there are any references to the directory. The dentry_unhash call only unhashes the dentry if there are no references. CC: Petr Vandrovec <petr@vandrovec.name> CC: linux-kernel@vger.kernel.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28ecryptfs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
ecryptfs does not have problems with references to unlinked directories. CC: Tyler Hicks <tyhicks@linux.vnet.ibm.com> CC: Dustin Kirkland <kirkland@canonical.com> CC: ecryptfs-devel@lists.launchpad.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28hostfs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-5/+0
hostfs does not have problems with references to unlinked directories. CC: Jeff Dike <jdike@addtoit.com> CC: Richard Weinberger <richard@nod.at> CC: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28hfsplus: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-6/+2
hfsplus does not have problems with references to unlinked directories. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28hfs: remove unnecessary dentry_unhash on rmdir, dir renameSage Weil1-6/+0
hfs does not have problems with references to unlinked directories. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28omfs: remove unnecessary dentry_unhash on rmdir, dir rneameSage Weil1-8/+3
omfs does not have problems with references to unlinked directories. CC: Bob Copeland <me@bobcopeland.com> CC: linux-karma-devel@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28udf: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
udf does not have problems with references to unlinked directories. CC: Jan Kara <jack@suse.cz> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28reiserfs: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil2-6/+0
Reiserfs does not have problems with references to unlinked directories. CC: reiserfs-devel@vger.kernel.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28ufs: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
ufs does not have problems with references to unlinked directories. CC: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28ubifs: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
ubifs does not have problems with references to unlinked directories. CC: Artem Bityutskiy <dedekind1@gmail.com> CC: Adrian Hunter <adrian.hunter@nokia.com> CC: linux-mtd@lists.infradead.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28nilfs2: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
nilfs2 does not have problems with references to unlinked directories. CC: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> CC: linux-nilfs@vger.kernel.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28logfs: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
logfs does not have problems with references to unlinked directories. CC: Joern Engel <joern@logfs.org> CC: logfs@logfs.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28jfs: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
jfs does not have problems with references to unlinked directories. CC: Dave Kleikamp <shaggy@kernel.org> CC: jfs-discussion@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28jffs2: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
jffs2 does not have problems with references to unlinked directories. CC: David Woodhouse <dwmw2@infradead.org> CC: linux-mtd@lists.infradead.org Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28sysv: remove unnecessary dentry_unhash from rmdir, dir renameSage Weil1-5/+0
sysv does not have problems with references to unlinked directories. CC: Christoph Hellwig <hch@infradead.org> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-28bfs: remove unnecessary dentry_unhash on dir renameSage Weil1-3/+0
Bfs does not have problems with references to unlinked directories. CC: tigran@aivazian.fsnet.co.uk Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-27Merge git://git.infradead.org/mtd-2.6Linus Torvalds2-12/+11
* git://git.infradead.org/mtd-2.6: (97 commits) mtd: kill CONFIG_MTD_PARTITIONS mtd: remove add_mtd_partitions, add_mtd_device and friends mtd: convert remaining users to mtd_device_register() mtd: samsung onenand: convert to mtd_device_register() mtd: omap2 onenand: convert to mtd_device_register() mtd: txx9ndfmc: convert to mtd_device_register() mtd: tmio_nand: convert to mtd_device_register() mtd: socrates_nand: convert to mtd_device_register() mtd: sharpsl: convert to mtd_device_register() mtd: s3c2410 nand: convert to mtd_device_register() mtd: ppchameleonevb: convert to mtd_device_register() mtd: orion_nand: convert to mtd_device_register() mtd: omap2: convert to mtd_device_register() mtd: nomadik_nand: convert to mtd_device_register() mtd: ndfc: convert to mtd_device_register() mtd: mxc_nand: convert to mtd_device_register() mtd: mpc5121_nfc: convert to mtd_device_register() mtd: jz4740_nand: convert to mtd_device_register() mtd: h1910: convert to mtd_device_register() mtd: fsmc_nand: convert to mtd_device_register() ... Fixed up trivial conflicts in - drivers/mtd/maps/integrator-flash.c: removed in ARM tree - drivers/mtd/maps/physmap.c: addition of afs partition probe type clashing with removal of CONFIG_MTD_PARTITIONS
2011-05-27NFS: Revert NFSROOT default mount optionsChuck Lever1-1/+1
Marek Belisko <marek.belisko@gmail.com> reports that recent attempts to fix regressions in NFSROOT have broken his configuration: > After update from 2.6.38-rc8 to 2.6.38 is mounting rootfs over nfs not possible. > Log: > VFS: Mounted root (nfs filesystem) on device 0:14. > Freeing init memory: 132K > nfs: server 10.146.1.21 not responding, still trying > nfs: server 10.146.1.21 not responding, still trying > > This is never ending. I make short bisect (not too much commits > between versions) > and bad commit was reported: 53d4737580535e073963b91ce87d4216e434fab5 > > NFS: NFSROOT should default to "proto=udp" > > I've tested on mini2440 board (DM9000, static IP). > Is there some missing option or something else to be checked? An examination of a network trace captured during the failure shows that the mount is actually succeeding, but that the client is not seeing READ replies larger than 16KB. This could be a local packet filtering issue on the client, but we didn't troubleshoot this further because of the reported "git bisect" result. Last fall we removed the ad hoc mount option parser in fs/nfs/nfsroot.c in favor of using the main parser in fs/nfs/super.c (see commit 56463e50 "NFS: Use super.c for NFSROOT mount option parsing"). That commit changed the default NFSROOT mount options to be the same as those employed by user space mounts. As it turns out, these new default mount options are not tolerated by many embedded systems. So far these problems have been due to specific behavior of certain embedded NICs. The NFS community does not have such hardware on hand for running tests. Commit 53d47375 recently introduced a clean way to specify default mount options for NFSROOT, so we can now easily restore the traditional defaults for NFSROOT: vers=2,udp,rsize=4096,wsize=4096 This should revert the new default NFSROOT mount options introduced with commit 56463e50. Tested-by: Marek Belisto <marek.belisto@open-nandra.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-05-27nfs,rcu: convert call_rcu(nfs_free_delegation_callback) to kfree_rcu()Lai Jiangshan1-13/+1
The rcu callback nfs_free_delegation_callback() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(nfs_free_delegation_callback). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-05-27nfs41: Correct offset for LAYOUTCOMMITVitaliy Gusev1-1/+1
A client sends offset to MDS as it was seen by DS. As result, file size after copy is only half of original file size in case of 2 DS. Signed-off-by: Vitaliy Gusev <gusev.vitaliy@nexenta.com> Cc: stable@kernel.org [2.6.39] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-05-27NFS: nfs_update_inode: print current and new inode size in debug outputHarshula Jayasuriya1-2/+6
Hi Trond, In nfs_update_inode debug output, print the current and new inode size when the file size changes on the NFS server. Signed-off-by: Harshula Jayasuriya <harshula@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-05-27NFSv4.1: Fix the handling of NFS4ERR_SEQ_MISORDERED errorsTrond Myklebust1-1/+5
Currently, the call to nfs4_schedule_session_recovery() will actually just result in a test of the lease when what we really want is to force a session reset. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
2011-05-27NFSv4: Handle expired stateids when the lease is still validTrond Myklebust1-2/+7
Currently, if the server returns NFS4ERR_EXPIRED in reply to a READ or WRITE, but the RENEW test determines that the lease is still active, we fail to recover and end up looping forever in a READ/WRITE + RENEW death spiral. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
2011-05-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Follow on to cifsacl endian patch (__constant_cpu_to_le32 was required)
2011-05-27Merge branch 'for-linus' of ↵Linus Torvalds48-4557/+6481
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (58 commits) Btrfs: use the device_list_mutex during write_dev_supers Btrfs: setup free ino caching in a more asynchronous way btrfs scrub: don't coalesce pages that are logically discontiguous Btrfs: return -ENOMEM in clear_extent_bit Btrfs: add mount -o auto_defrag Btrfs: using rcu lock in the reader side of devices list Btrfs: drop unnecessary device lock Btrfs: fix the race between remove dev and alloc chunk Btrfs: fix the race between reading and updating devices Btrfs: fix bh leak on __btrfs_open_devices path Btrfs: fix unsafe usage of merge_state Btrfs: allocate extent state and check the result properly fs/btrfs: Add missing btrfs_free_path Btrfs: check return value of btrfs_inc_extent_ref() Btrfs: return error to caller if read_one_inode() fails Btrfs: BUG_ON is deleted from the caller of btrfs_truncate_item & btrfs_extend_item Btrfs: return error code to caller when btrfs_del_item fails Btrfs: return error code to caller when btrfs_previous_item fails btrfs: fix typo 'testeing' -> 'testing' btrfs: typo: 'btrfS' -> 'btrfs' ...
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