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2013-05-06btrfs: make static code static & remove dead codeEric Sandeen1-2/+2
Big patch, but all it does is add statics to functions which are in fact static, then remove the associated dead-code fallout. removed functions: btrfs_iref_to_path() __btrfs_lookup_delayed_deletion_item() __btrfs_search_delayed_insertion_item() __btrfs_search_delayed_deletion_item() find_eb_for_page() btrfs_find_block_group() range_straddles_pages() extent_range_uptodate() btrfs_file_extent_length() btrfs_scrub_cancel_devid() btrfs_start_transaction_lflush() btrfs_print_tree() is left because it is used for debugging. btrfs_start_transaction_lflush() and btrfs_reada_detach() are left for symmetry. ulist.c functions are left, another patch will take care of those. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2012-12-16Btrfs: only log the inode item if we can get away with itJosef Bacik1-0/+1
Currently we copy all the file information into the log, inode item, the refs, xattrs etc. Except most of this doesn't change from fsync to fsync, just the inode item changes. So set a flag if an xattr changes or a link is added, and otherwise only log the inode item. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2012-12-16Btrfs: don't add a NULL extended attributeLiu Bo1-0/+10
Passing a null extended attribute value means to remove the attribute, but we don't have to add a new NULL extended attribute. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2012-12-16Btrfs: fix an while-loop of listxattrLiu Bo1-1/+1
If we found an invalid xattr dir item, we'd better try the next one instead. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
2012-05-30Btrfs: use i_version instead of our own sequenceJosef Bacik1-0/+1
We've been keeping around the inode sequence number in hopes that somebody would use it, but nobody uses it and people actually use i_version which serves the same purpose, so use i_version where we used the incore inode's sequence number and that way the sequence is updated properly across the board, and not just in file write. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2012-01-16Btrfs: do not use btrfs_end_transaction_throttle everywhereJosef Bacik1-1/+1
A user reported a problem where things like open with O_CREAT would take up to 30 seconds when he had nfs activity on the same mount. This is because all of our quick metadata operations, like create, symlink etc all do btrfs_end_transaction_throttle, which if the transaction is blocked will wait for the commit to complete before it returns. This adds a ridiculous amount of latency and isn't really needed. The normal btrfs_end_transaction will mark the transaction as blocked and wake the transaction kthread up if it thinks the transaction needs to end (this being in the running out of global reserve space scenario), and this is all that is really needed since we've already done everything we're going to do, we just need to return. This should help people with the latency they were seeing when using synchronous heavy workloads. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-11-06Merge branch 'for-linus' of ↵Linus Torvalds1-0/+11
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (114 commits) Btrfs: check for a null fs root when writing to the backup root log Btrfs: fix race during transaction joins Btrfs: fix a potential btrfs_bio leak on scrub fixups Btrfs: rename btrfs_bio multi -> bbio for consistency Btrfs: stop leaking btrfs_bios on readahead Btrfs: stop the readahead threads on failed mount Btrfs: fix extent_buffer leak in the metadata IO error handling Btrfs: fix the new inspection ioctls for 32 bit compat Btrfs: fix delayed insertion reservation Btrfs: ClearPageError during writepage and clean_tree_block Btrfs: be smarter about committing the transaction in reserve_metadata_bytes Btrfs: make a delayed_block_rsv for the delayed item insertion Btrfs: add a log of past tree roots btrfs: separate superblock items out of fs_info Btrfs: use the global reserve when truncating the free space cache inode Btrfs: release metadata from global reserve if we have to fallback for unlink Btrfs: make sure to flush queued bios if write_cache_pages waits Btrfs: fix extent pinning bugs in the tree log Btrfs: make sure btrfs_remove_free_space doesn't leak EAGAIN Btrfs: don't wait as long for more batches during SSD log commit ...
2011-10-25Merge branch 'next' of git://selinuxproject.org/~jmorris/linux-securityLinus Torvalds1-25/+25
* 'next' of git://selinuxproject.org/~jmorris/linux-security: (95 commits) TOMOYO: Fix incomplete read after seek. Smack: allow to access /smack/access as normal user TOMOYO: Fix unused kernel config option. Smack: fix: invalid length set for the result of /smack/access Smack: compilation fix Smack: fix for /smack/access output, use string instead of byte Smack: domain transition protections (v3) Smack: Provide information for UDS getsockopt(SO_PEERCRED) Smack: Clean up comments Smack: Repair processing of fcntl Smack: Rule list lookup performance Smack: check permissions from user space (v2) TOMOYO: Fix quota and garbage collector. TOMOYO: Remove redundant tasklist_lock. TOMOYO: Fix domain transition failure warning. TOMOYO: Remove tomoyo_policy_memory_lock spinlock. TOMOYO: Simplify garbage collector. TOMOYO: Fix make namespacecheck warnings. target: check hex2bin result encrypted-keys: check hex2bin result ...
2011-10-19Btrfs: fix regression in re-setting a large xattrJosef Bacik1-0/+11
Recently I changed the xattr stuff to unconditionally set the xattr first in case the xattr didn't exist yet. This has introduced a regression when setting an xattr that already exists with a large value. If we find the key we are looking for split_leaf will assume that we're extending that item. The problem is the size we pass down to btrfs_search_slot includes the size of the item already, so if we have the largest xattr we can possibly have plus the size of the xattr item plus the xattr item that btrfs_search_slot we'd overflow the leaf. Thankfully this is not what we're doing, but split_leaf doesn't know this so it just returns EOVERFLOW. So in the xattr code we need to check and see if we got back EOVERFLOW and treat it like EEXIST since that's really what happened. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2011-09-11btrfs: xattr: fix attribute removalDavid Sterba1-0/+9
An attribute is not removed by 'setfattr -x attr file' and remains visible in attr list. This makes xfstests/062 pass again. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-08-09Merge branch 'next-evm' of ↵James Morris1-25/+25
git://git.kernel.org/pub/scm/linux/kernel/git/zohar/ima-2.6 into next Conflicts: fs/attr.c Resolve conflict manually. Signed-off-by: James Morris <jmorris@namei.org>
2011-07-18security: new security_inode_init_security API adds function callbackMimi Zohar1-25/+25
This patch changes the security_inode_init_security API by adding a filesystem specific callback to write security extended attributes. This change is in preparation for supporting the initialization of multiple LSM xattrs and the EVM xattr. Initially the callback function walks an array of xattrs, writing each xattr separately, but could be optimized to write multiple xattrs at once. For existing security_inode_init_security() calls, which have not yet been converted to use the new callback function, such as those in reiserfs and ocfs2, this patch defines security_old_inode_init_security(). Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
2011-07-11Btrfs: try to only do one btrfs_search_slot in do_setxattrJosef Bacik1-26/+40
I've been watching how many btrfs_search_slot()'s we do and I noticed that when we create a file with selinux enabled we were doing 2 each time we initialize the security context. That's because we lookup the xattr first so we can delete it if we're setting a new value to an existing xattr. But in the create case we don't have any xattrs, so it is completely useless to have the extra lookup. So re-arrange things so that we only lookup first if we specifically have XATTR_REPLACE. That way in the basic case we only do 1 search, and in the more complicated case we do the normal 2 lookups. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2011-05-28Merge branch 'for-chris' ofChris Mason1-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into for-linus Conflicts: fs/btrfs/disk-io.c fs/btrfs/extent-tree.c fs/btrfs/free-space-cache.c fs/btrfs/inode.c fs/btrfs/transaction.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-05-23Btrfs: kill BTRFS_I(inode)->block_groupJosef Bacik1-2/+0
Originally this was going to be used as a way to give hints to the allocator, but frankly we can get much better hints elsewhere and it's not even used at all for anything usefull. In addition to be completely useless, when we initialize an inode we try and find a freeish block group to set as the inodes block group, and with a completely full 40gb fs this takes _forever_, so I imagine with say 1tb fs this is just unbearable. So just axe the thing altoghether, we don't need it and it saves us 8 bytes in the inode and saves us 500 microseconds per inode lookup in my testcase. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2011-05-22Merge branch 'cleanups' of git://repo.or.cz/linux-2.6/btrfs-unstable into ↵Chris Mason1-2/+2
inode_numbers Conflicts: fs/btrfs/extent-tree.c fs/btrfs/free-space-cache.c fs/btrfs/inode.c fs/btrfs/tree-log.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-05-21Merge branch 'ino-alloc' of git://repo.or.cz/linux-btrfs-devel into ↵Chris Mason1-4/+4
inode_numbers Conflicts: fs/btrfs/free-space-cache.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-05-02btrfs: drop unused parameter from btrfs_release_pathDavid Sterba1-2/+2
parameter tree root it's not used since commit 5f39d397dfbe140a14edecd4e73c34ce23c4f9ee ("Btrfs: Create extent_buffer interface for large blocksizes") Signed-off-by: David Sterba <dsterba@suse.cz>
2011-04-25Btrfs: Always use 64bit inode numberLi Zefan1-4/+4
There's a potential problem in 32bit system when we exhaust 32bit inode numbers and start to allocate big inode numbers, because btrfs uses inode->i_ino in many places. So here we always use BTRFS_I(inode)->location.objectid, which is an u64 variable. There are 2 exceptions that BTRFS_I(inode)->location.objectid != inode->i_ino: the btree inode (0 vs 1) and empty subvol dirs (256 vs 2), and inode->i_ino will be used in those cases. Another reason to make this change is I'm going to use a special inode to save free ino cache, and the inode number must be > (u64)-256. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
2011-04-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds1-21/+12
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (24 commits) Btrfs: fix free space cache leak Btrfs: avoid taking the chunk_mutex in do_chunk_alloc Btrfs end_bio_extent_readpage should look for locked bits Btrfs: don't force chunk allocation in find_free_extent Btrfs: Check validity before setting an acl Btrfs: Fix incorrect inode nlink in btrfs_link() Btrfs: Check if btrfs_next_leaf() returns error in btrfs_real_readdir() Btrfs: Check if btrfs_next_leaf() returns error in btrfs_listxattr() Btrfs: make uncache_state unconditional btrfs: using cached extent_state in set/unlock combinations Btrfs: avoid taking the trans_mutex in btrfs_end_transaction Btrfs: fix subvolume mount by name problem when default mount subvolume is set fix user annotation in ioctl.c Btrfs: check for duplicate iov_base's when doing dio reads btrfs: properly handle overlapping areas in memmove_extent_buffer Btrfs: fix memory leaks in btrfs_new_inode() Btrfs: check for duplicate iov_base's when doing dio reads Btrfs: reuse the extent_map we found when calling btrfs_get_extent Btrfs: do not use async submit for small DIO io's Btrfs: don't split dio bios if we don't have to ...
2011-04-13Btrfs: Check if btrfs_next_leaf() returns error in btrfs_listxattr()Li Zefan1-21/+12
btrfs_next_leaf() can return -errno, and we should propagate it to userspace. This also simplifies how we walk the btree path. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
2011-03-28Merge branch 'for-linus-unmerged' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'for-linus-unmerged' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (45 commits) Btrfs: fix __btrfs_map_block on 32 bit machines btrfs: fix possible deadlock by clearing __GFP_FS flag btrfs: check link counter overflow in link(2) btrfs: don't mess with i_nlink of unlocked inode in rename() Btrfs: check return value of btrfs_alloc_path() Btrfs: fix OOPS of empty filesystem after balance Btrfs: fix memory leak of empty filesystem after balance Btrfs: fix return value of setflags ioctl Btrfs: fix uncheck memory allocations btrfs: make inode ref log recovery faster Btrfs: add btrfs_trim_fs() to handle FITRIM Btrfs: adjust btrfs_discard_extent() return errors and trimmed bytes Btrfs: make btrfs_map_block() return entire free extent for each device of RAID0/1/10/DUP Btrfs: make update_reserved_bytes() public btrfs: return EXDEV when linking from different subvolumes Btrfs: Per file/directory controls for COW and compression Btrfs: add datacow flag in inode flag btrfs: use GFP_NOFS instead of GFP_KERNEL Btrfs: check return value of read_tree_block() btrfs: properly access unaligned checksum buffer ... Fix up trivial conflicts in fs/btrfs/volumes.c due to plug removal in the block layer.
2011-03-17Btrfs: add checks to verify dir items are correctJosef Bacik1-0/+2
We need to make sure the dir items we get are valid dir items. So any time we try and read one check it with verify_dir_item, which will do various sanity checks to make sure it looks sane. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2011-03-08Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into nextJames Morris1-2/+4
2011-02-01fs/vfs/security: pass last path component to LSM on inode creationEric Paris1-2/+4
SELinux would like to implement a new labeling behavior of newly created inodes. We currently label new inodes based on the parent and the creating process. This new behavior would also take into account the name of the new object when deciding the new label. This is not the (supposed) full path, just the last component of the path. This is very useful because creating /etc/shadow is different than creating /etc/passwd but the kernel hooks are unable to differentiate these operations. We currently require that userspace realize it is doing some difficult operation like that and than userspace jumps through SELinux hoops to get things set up correctly. This patch does not implement new behavior, that is obviously contained in a seperate SELinux patch, but it does pass the needed name down to the correct LSM hook. If no such name exists it is fine to pass NULL. Signed-off-by: Eric Paris <eparis@redhat.com>
2010-12-23Btrfs: Add readonly snapshots supportLi Zefan1-0/+18
Usage: Set BTRFS_SUBVOL_RDONLY of btrfs_ioctl_vol_arg_v2->flags, and call ioctl(BTRFS_I0CTL_SNAP_CREATE_V2). Implementation: - Set readonly bit of btrfs_root_item->flags. - Add readonly checks in btrfs_permission (inode_permission), btrfs_setattr, btrfs_set/remove_xattr and some ioctls. Changelog for v3: - Eliminate btrfs_root->readonly, but check btrfs_root->root_item.flags. - Rename BTRFS_ROOT_SNAP_RDONLY to BTRFS_ROOT_SUBVOL_RDONLY. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
2010-10-29Btrfs: cleanup warnings from gcc 4.6 (nonbugs)Andi Kleen1-2/+0
These are all the cases where a variable is set, but not read which are not bugs as far as I can see, but simply leftovers. Still needs more review. Found by gcc 4.6's new warnings Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-05-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds1-9/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (27 commits) Btrfs: add more error checking to btrfs_dirty_inode Btrfs: allow unaligned DIO Btrfs: drop verbose enospc printk Btrfs: Fix block generation verification race Btrfs: fix preallocation and nodatacow checks in O_DIRECT Btrfs: avoid ENOSPC errors in btrfs_dirty_inode Btrfs: move O_DIRECT space reservation to btrfs_direct_IO Btrfs: rework O_DIRECT enospc handling Btrfs: use async helpers for DIO write checksumming Btrfs: don't walk around with task->state != TASK_RUNNING Btrfs: do aio_write instead of write Btrfs: add basic DIO read/write support direct-io: do not merge logically non-contiguous requests direct-io: add a hook for the fs to provide its own submit_bio function fs: allow short direct-io reads to be completed via buffered IO Btrfs: Metadata ENOSPC handling for balance Btrfs: Pre-allocate space for data relocation Btrfs: Metadata ENOSPC handling for tree log Btrfs: Metadata reservation for orphan inodes Btrfs: Introduce global metadata reservation ...
2010-05-25Btrfs: Integrate metadata reservation with start_transactionYan, Zheng1-9/+3
Besides simplify the code, this change makes sure all metadata reservation for normal metadata operations are released after committing transaction. Changes since V1: Add code that check if unlink and rmdir will free space. Add ENOSPC handling for clone ioctl. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-05-21btrfs: constify xattr_handlerStephen Hemminger1-1/+1
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-12-17Btrfs: Pass transaction handle to security and ACL initialization functionsYan, Zheng1-26/+54
Pass transaction handle down to security and ACL initialization functions, so we can avoid starting nested transactions Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-10-13Btrfs: fix btrfs acl #ifdef checksChris Mason1-1/+1
The btrfs acl code was #ifdefing for a define that didn't exist. This correctly matches it to the values used by the Kconfig file. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-09-29Btrfs: Use CONFIG_BTRFS_POSIX_ACL to enable ACL codeChris Ball1-1/+1
We've already defined CONFIG_BTRFS_POSIX_ACL in Kconfig, but we're currently not using it and are testing CONFIG_FS_POSIX_ACL instead. CONFIG_FS_POSIX_ACL states "Never use this symbol for ifdefs". Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-02-04Btrfs: join the transaction in __btrfs_setxattrJosef Bacik1-1/+1
With selinux on we end up calling __btrfs_setxattr when we create an inode, which calls btrfs_start_transaction(). The problem is we've already called that in btrfs_new_inode, and in btrfs_start_transaction we end up doing a wait_current_trans(). If btrfs-transaction has started committing it will wait for all handles to finish, while the other process is waiting for the transaction to commit. This is fixed by using btrfs_join_transaction, which won't wait for the transaction to commit. Thanks, Signed-off-by: Josef Bacik <jbacik@redhat.com>
2009-02-04Btrfs: selinux supportJim Owens1-0/+32
Add call to LSM security initialization and save resulting security xattr for new inodes. Add xattr support to symlink inode ops. Set inode->i_op for existing special files. Signed-off-by: jim owens <jowens@hp.com>
2009-01-21Btrfs: cleanup xattr codeJosef Bacik1-2/+12
Andrew's review of the xattr code revealed some minor issues that this patch addresses. Just an error return fix, got rid of a useless statement and commented one of the trickier parts of __btrfs_getxattr. Signed-off-by: Josef Bacik <jbacik@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-01-05Btrfs: Fix checkpatch.pl warningsChris Mason1-1/+2
There were many, most are fixed now. struct-funcs.c generates some warnings but these are bogus. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-12-17Btrfs: fix return value from btrfs_listxattr when buffer size is too smallYehuda Sadeh Weinraub1-1/+1
The return value was being overwritten. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
2008-09-25Btrfs: optimize btrget/set/removexattrChristoph Hellwig1-131/+73
btrfs actually stores the whole xattr name, including the prefix ondisk, so using the generic resolver that strips off the prefix is not very helpful. Instead do the real ondisk xattrs manually and only use the generic resolver for synthetic xattrs like ACLs. (Sorry Josef for guiding you towards the wrong direction here intially) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25btrfs: optmize listxattrChristoph Hellwig1-71/+11
The ->list handler is really not useful at all, because we always call btrfs_xattr_generic_list anyway. After this is done find_btrfs_xattr_handler becomes unused, and it becomes obvious that the temporary name buffer allocation isn't needed but we can directly copy into the supplied buffer. Tested with various getfattr -d calls on varying xattr lists. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Add ACL supportJosef Bacik1-10/+16
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Remove unused xattr codeJosef Bacik1-51/+0
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Replace the big fs_mutex with a collection of other locksChris Mason1-9/+1
Extent alloctions are still protected by a large alloc_mutex. Objectid allocations are covered by a objectid mutex Other btree operations are protected by a lock on individual btree nodes Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Dislable acl xattr handlersYan1-6/+6
The acl code is not yet complete, and the xattr handlers are causing problems for cp -p on some distros. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Fix compile on kernel without ACLs enabledYan1-2/+4
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Change magic string to reflect new formatChris Mason1-1/+2
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Implement ACLs setting and gettingYan1-12/+4
ACLs are stored but not used for permission checks (yet) Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: xattr fixesJosef Bacik1-2/+2
This fixes two typos that Yan pointed out to me. Thanks much, Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25Btrfs: Make ACLs return EOPNOTSUPP for nowJosef Bacik1-2/+2
There was a slight problem with ACL's returning EINVAL when you tried to set an ACL. This isn't correct, we should be returning EOPNOTSUPP, so I did a very ugly thing and just commented everybody out and made them return EOPNOTSUPP. This is only temporary, I'm going back to implement ACL's, but Chris wants to push out a release so this will suffice for now. Also Yan suggested setting reada to -1 in the delete case to enable backwards readahead, and in the listxattr case I moved path->reada = 2; to after the if (!path) check so we can avoid a possible null dereference. Thank you, Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25xattr support for btrfsJosef Bacik1-0/+497
Signed-off-by: Chris Mason <chris.mason@oracle.com>