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ba631941ef
linux-kernel-test/fs/btrfs
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Jeff Mahoney ba631941ef btrfs: add ability to change features via sysfs 
This patch adds the ability to change (set/clear) features while the file
system is mounted. A bitmask is added for each feature set for the
support to set and clear the bits. A message indicating which bit
has been set or cleared is issued when it's been changed and also when
permission or support for a particular bit has been denied.

Since the the attributes can now be writable, we need to introduce
another struct attribute to hold the different permissions.

If neither set or clear is supported, the file will have 0444 permissions.
If either set or clear is supported, the file will have 0644 permissions
and the store handler will filter out the write based on the bitmask.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-01-28 13:19:27 -08:00
..
tests Btrfs: add a sanity test for a vacant extent at the front of a file 2013-11-11 21:58:19 -05:00
acl.c Btrfs: fix incorrect inode acl reset 2013-11-11 22:02:51 -05:00
async-thread.c Btrfs: fix __btrfs_start_workers retval 2013-11-20 20:42:11 -05:00
async-thread.h Btrfs: eliminate races in worker stopping code 2013-10-04 16:02:13 -04:00
backref.c btrfs: Use WARN_ON()'s return value in place of WARN_ON(1) 2013-11-11 22:11:53 -05:00
backref.h Btrfs: allocate prelim_ref with a slab allocater 2013-09-01 08:16:27 -04:00
btrfs_inode.h Btrfs: improve inode hash function/inode lookup 2013-11-11 21:55:19 -05:00
check-integrity.c Btrfs: fix check-integrity to look at the referenced data properly 2014-01-28 13:19:21 -08:00
check-integrity.h block: submit_bio_wait() conversions 2013-11-24 16:33:41 -07:00
compression.c btrfs: Fix checkpatch.pl warning of spacing issues 2013-11-11 22:12:31 -05:00
compression.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ctree.c Btrfs: incompatible format change to remove hole extents 2014-01-28 13:19:21 -08:00
ctree.h btrfs: publish per-super attributes in sysfs 2014-01-28 13:19:25 -08:00
delayed-inode.c btrfs: Replace kmalloc with kmalloc_array 2013-11-11 22:12:22 -05:00
delayed-inode.h [readdir] convert btrfs 2013-06-29 12:57:00 +04:00
delayed-ref.c Btrfs: skip merge part for delayed data refs 2014-01-28 13:19:23 -08:00
delayed-ref.h Btrfs: introduce a head ref rbtree 2014-01-28 13:19:22 -08:00
dev-replace.c btrfs: fix typo in the log message 2013-11-20 20:44:47 -05:00
dev-replace.h Btrfs: add new sources for device replace code 2012-12-12 17:15:41 -05:00
dir-item.c Btrfs: fix verification of dir_item 2013-11-11 22:10:36 -05:00
disk-io.c btrfs: publish per-super attributes in sysfs 2014-01-28 13:19:25 -08:00
disk-io.h Btrfs: add a sanity test for btrfs_split_item 2013-11-11 21:51:02 -05:00
export.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
export.h
extent_io.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2013-12-05 15:33:27 -08:00
extent_io.h Btrfs: Simplify the logic in alloc_extent_buffer() for existing extent buffer case 2013-11-11 21:59:11 -05:00
extent_map.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
extent_map.h btrfs: Enclose macros with complex values within parenthesis 2013-11-11 22:12:06 -05:00
extent-tree.c Btrfs: introduce a head ref rbtree 2014-01-28 13:19:22 -08:00
file-item.c btrfs: Use WARN_ON()'s return value in place of WARN_ON(1) 2013-11-11 22:11:53 -05:00
file.c Btrfs: incompatible format change to remove hole extents 2014-01-28 13:19:21 -08:00
free-space-cache.c btrfs: Fix checkpatch.pl warning of spacing issues 2013-11-11 22:12:31 -05:00
free-space-cache.h Btrfs: remove path arg from btrfs_truncate_free_space_cache 2013-11-11 21:51:33 -05:00
hash.h btrfs: extended inode refs 2012-10-09 09:14:45 -04:00
inode-item.c btrfs: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
inode-map.c btrfs: Use WARN_ON()'s return value in place of WARN_ON(1) 2013-11-11 22:11:53 -05:00
inode-map.h
inode.c Btrfs: incompatible format change to remove hole extents 2014-01-28 13:19:21 -08:00
ioctl.c btrfs: add ioctls to query/change feature bits online 2014-01-28 13:19:23 -08:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2013-11-22 08:38:55 -08:00
locking.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
locking.h Btrfs: remove btrfs_try_spin_lock 2013-03-14 14:57:10 -04:00
lzo.c Btrfs: return -1 when lzo compression makes data bigger 2013-09-01 07:57:19 -04:00
Makefile Btrfs: add tests for btrfs_get_extent 2013-11-11 21:57:30 -05:00
math.h Btrfs: cleanup duplicated division functions 2012-12-11 13:31:30 -05:00
ordered-data.c Btrfs: fix list delete warning when removing ordered root from the list 2013-11-20 20:44:46 -05:00
ordered-data.h Btrfs: don't wait for the completion of all the ordered extents 2013-11-11 22:13:44 -05:00
orphan.c
print-tree.c btrfs: drop unused parameter from btrfs_item_nr 2013-11-11 21:50:48 -05:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
qgroup.c Btrfs: Remove superfluous casts from u64 to unsigned long long 2013-09-01 08:16:08 -04:00
raid56.c btrfs: remove fs/btrfs/compat.h 2013-11-11 22:03:19 -05:00
raid56.h Btrfs: RAID5 and RAID6 2013-02-01 14:24:23 -05:00
rcu-string.h
reada.c Btrfs: fix reada debug code compilation 2013-05-06 15:54:55 -04:00
relocation.c Btrfs: make sure we cleanup all reloc roots if error happens 2013-12-12 07:12:51 -08:00
root-tree.c Btrfs: insert orphan roots into fs radix tree 2013-10-10 21:30:53 -04:00
scrub.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2013-12-05 15:33:27 -08:00
send.c Btrfs: incompatible format change to remove hole extents 2014-01-28 13:19:21 -08:00
send.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
struct-funcs.c
super.c Btrfs: don't clear the default compression type 2013-12-12 07:11:19 -08:00
sysfs.c btrfs: add ability to change features via sysfs 2014-01-28 13:19:27 -08:00
sysfs.h btrfs: add ability to change features via sysfs 2014-01-28 13:19:27 -08:00
transaction.c Btrfs: introduce a head ref rbtree 2014-01-28 13:19:22 -08:00
transaction.h Btrfs: fix BUG_ON() casued by the reserved space migration 2013-11-11 21:54:28 -05:00
tree-defrag.c Btrfs: cleanup dead code of defragment 2013-11-11 21:59:45 -05:00
tree-log.c Btrfs: incompatible format change to remove hole extents 2014-01-28 13:19:21 -08:00
tree-log.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
ulist.c Btrfs: fix crash regarding to ulist_add_merge 2013-07-02 11:50:59 -04:00
ulist.h Btrfs: add a rb_tree to improve performance of ulist search 2013-05-06 15:54:44 -04:00
uuid-tree.c Btrfs: remove unused max_key arg from btrfs_search_forward 2013-11-11 21:54:57 -05:00
volumes.c btrfs: fix bio_size_ok() for max_sectors > 0xffff 2013-11-20 20:48:44 -05:00
volumes.h btrfs: Pack struct btrfs_device 2013-11-11 22:11:26 -05:00
xattr.c btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
xattr.h
zlib.c btrfs: fix message printing 2012-10-09 09:19:57 -04:00