| Message ID | b67a19fbb3d6e9e483cefd8373b35077d1c2eca3.1494626830.git.osandov@fb.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, May 12, 2017 at 03:07:43PM -0700, Omar Sandoval wrote: > From: Yonghong Song <yhs@fb.com> > > 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> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 17cbe9306faf..5143e4712f93 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -9564,6 +9564,24 @@ static int btrfs_getattr(const struct path *path, struct kstat *stat, u64 delalloc_bytes; struct inode *inode = d_inode(path->dentry); u32 blocksize = inode->i_sb->s_blocksize; + u32 bi_flags = BTRFS_I(inode)->flags; + + stat->result_mask |= STATX_BTIME; + stat->btime.tv_sec = BTRFS_I(inode)->i_otime.tv_sec; + stat->btime.tv_nsec = BTRFS_I(inode)->i_otime.tv_nsec; + if (bi_flags & BTRFS_INODE_APPEND) + stat->attributes |= STATX_ATTR_APPEND; + if (bi_flags & BTRFS_INODE_COMPRESS) + stat->attributes |= STATX_ATTR_COMPRESSED; + if (bi_flags & BTRFS_INODE_IMMUTABLE) + stat->attributes |= STATX_ATTR_IMMUTABLE; + if (bi_flags & BTRFS_INODE_NODUMP) + stat->attributes |= STATX_ATTR_NODUMP; + + stat->attributes_mask |= (STATX_ATTR_APPEND | + STATX_ATTR_COMPRESSED | + STATX_ATTR_IMMUTABLE | + STATX_ATTR_NODUMP); generic_fillattr(inode, stat); stat->dev = BTRFS_I(inode)->root->anon_dev;