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04a87e3472
linux/fs/btrfs
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Yonghong Song 04a87e3472 Btrfs: add statx support 
Return enhanced file attributes from the btrfs, including:
  (1). inode creation time as stx_btime, and
  (2). Certain BTRFS_INODE_xxx flags are mapped to stx_attributes flags.

Example output:
	[root@localhost ~]# cat t.sh
	touch t
	chattr +aic t
	~/linux/samples/statx/test-statx t
	chattr -aic t
	touch t
	echo "========================================"
	~/linux/samples/statx/test-statx t
	/bin/rm t
	[root@localhost ~]# ./t.sh
	statx(t) = 0
	results=fff
  	  Size: 0               Blocks: 0          IO Block: 4096    regular file
	Device: 00:1c           Inode: 63962       Links: 1
	Access: (0644/-rw-r--r--)  Uid:     0   Gid:     0
	Access: 2017-05-11 16:03:13.999856591-0700
	Modify: 2017-05-11 16:03:13.999856591-0700
	Change: 2017-05-11 16:03:14.000856663-0700
 	 Birth: 2017-05-11 16:03:13.999856591-0700
	Attributes: 0000000000000034 (........ ........ ........ ........ ........ ........ ........ .-ai.c..)
	========================================
	statx(t) = 0
	results=fff
	  Size: 0               Blocks: 0          IO Block: 4096    regular file
	Device: 00:1c           Inode: 63962       Links: 1
	Access: (0644/-rw-r--r--)  Uid:     0   Gid:     0
	Access: 2017-05-11 16:03:14.006857097-0700
	Modify: 2017-05-11 16:03:14.006857097-0700
	Change: 2017-05-11 16:03:14.006857097-0700
 	Birth: 2017-05-11 16:03:13.999856591-0700
	Attributes: 0000000000000000 (........ ........ ........ ........ ........ ........ ........ .---.-..)
	[root@localhost ~]#

Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2017-06-19 18:26:01 +02:00
..
tests Btrfs: replace tree->mapping with tree->private_data 2017-06-19 18:25:58 +02:00
acl.c posix_acl: Clear SGID bit when setting file permissions 2016-09-22 10:55:32 +02:00
async-thread.c btrfs: fix crash when tracepoint arguments are freed by wq callbacks 2017-01-09 11:24:50 +01:00
async-thread.h btrfs: limit async_work allocation and worker func duration 2016-12-13 11:01:30 -08:00
backref.c btrfs: replace hardcoded value with SEQ_LAST macro 2017-04-18 14:07:25 +02:00
backref.h
btrfs_inode.h Btrfs: fix reported number of inode blocks 2017-04-26 16:27:26 +01:00
check-integrity.c Btrfs: check-integrity use bvec_iter 2017-06-19 18:25:59 +02:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c btrfs: reduce arguments for decompress_bio ops 2017-06-19 18:26:00 +02:00
compression.h btrfs: reduce arguments for decompress_bio ops 2017-06-19 18:26:00 +02:00
ctree.c btrfs: rename btrfs_leaf_data to BTRFS_LEAF_DATA_OFFSET 2017-06-19 18:26:00 +02:00
ctree.h btrfs: remove __BTRFS_LEAF_DATA_SIZE 2017-06-19 18:26:01 +02:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-inode.h btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-ref.c btrfs: convert btrfs_delayed_ref_node.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-ref.h btrfs: convert btrfs_delayed_ref_node.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
dev-replace.c Btrfs: switch to div64_u64 if with a u64 divisor 2017-04-18 14:07:26 +02:00
dev-replace.h btrfs: constify device path passed to relevant helpers 2017-02-28 14:26:07 +01:00
dir-item.c btrfs: tree-log.c: Wrong printk information about namelen 2017-06-09 12:48:07 -07:00
disk-io.c btrfs: btrfs_wait_tree_block_writeback can be void return 2017-06-19 18:26:01 +02:00
disk-io.h btrfs: btrfs_wait_tree_block_writeback can be void return 2017-06-19 18:26:01 +02:00
export.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
export.h
extent_io.c btrfs: rename btrfs_leaf_data to BTRFS_LEAF_DATA_OFFSET 2017-06-19 18:26:00 +02:00
extent_io.h Btrfs: hardcode GFP_NOFS for btrfs_bio_clone_partial 2017-06-19 18:25:59 +02:00
extent_map.c btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent_map.h btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent-tree.c btrfs: Refactor update_space_info 2017-06-19 18:26:00 +02:00
file-item.c Btrfs: change how we iterate bios in endio 2017-06-19 18:25:59 +02:00
file.c Merge branch 'for-chris-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.12 2017-04-27 14:13:09 -07:00
free-space-cache.c btrfs: use clear_page where appropriate 2017-04-18 14:07:26 +02:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: Remove unnecessary branching in free-space-tree.c 2017-06-19 18:25:59 +02:00
free-space-tree.h
hash.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-06-08 17:36:03 +08:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.c btrfs: all btrfs_delalloc_release_metadata take btrfs_inode 2017-02-28 11:30:07 +01:00
inode-map.h
inode.c Btrfs: add statx support 2017-06-19 18:26:01 +02:00
ioctl.c Btrfs: remove obsolete FIXMEs in qgroup ioctls 2017-06-19 18:25:58 +02:00
Kconfig
locking.c
locking.h
lzo.c Btrfs: lzo: fix typo in error message after failed deflate 2017-06-19 18:26:01 +02:00
Makefile
math.h
ordered-data.c btrfs: convert btrfs_ordered_extent.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
ordered-data.h btrfs: convert btrfs_ordered_extent.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
orphan.c
print-tree.c Btrfs: let btrfs_print_leaf print more about block group 2017-06-19 18:26:00 +02:00
print-tree.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
props.c btrfs: Make btrfs_ino take a struct btrfs_inode 2017-02-14 15:50:51 +01:00
props.h
qgroup.c btrfs: add quota override flag to enable quota override for CAP_SYS_RESOURCE 2017-06-19 18:25:58 +02:00
qgroup.h btrfs: qgroup: Re-arrange tracepoint timing to co-operate with reserved space tracepoint 2017-04-18 14:07:26 +02:00
raid56.c btrfs: Wait for in-flight bios before freeing target device for raid56 2017-04-18 14:07:26 +02:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
reada.c btrfs: remove unused member err from reada_extent 2017-06-19 18:25:59 +02:00
relocation.c Btrfs: replace tree->mapping with tree->private_data 2017-06-19 18:25:58 +02:00
root-tree.c btrfs: Use ktime_get_real_ts for root ctime 2017-04-18 14:07:27 +02:00
scrub.c btrfs: scrub: simplify cleanup of wr_ctx in scrub_free_ctx 2017-06-19 18:26:00 +02:00
send.c btrfs: remove unused members dir_path from recorded_ref 2017-06-19 18:25:59 +02:00
send.h
struct-funcs.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
super.c btrfs: cleanup root usage by btrfs_get_alloc_profile 2017-06-19 18:25:59 +02:00
sysfs.c btrfs: Add quota_override knob into sysfs 2017-06-19 18:25:58 +02:00
sysfs.h
transaction.c Btrfs: replace tree->mapping with tree->private_data 2017-06-19 18:25:58 +02:00
transaction.h btrfs: remove unused qgroup members from btrfs_trans_handle 2017-04-18 14:07:25 +02:00
tree-defrag.c
tree-log.c btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c btrfs: cleanup root usage by btrfs_get_alloc_profile 2017-06-19 18:25:59 +02:00
volumes.h Btrfs: change how we iterate bios in endio 2017-06-19 18:25:59 +02:00
xattr.c btrfs: fix over-80 lines introduced by previous cleanups 2017-02-14 15:50:57 +01:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: reduce arguments for decompress_bio ops 2017-06-19 18:26:00 +02:00