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| author | Coly Li <coly.li@suse.de> | 2009-04-02 16:59:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-02 19:05:09 -0700 |
| commit | 514c91a9cca12b19ed80ac6728278aff9bbf65f0 (patch) | |
| tree | cf38741f31c6214b3d64013b3d3fe3c99882a468 /fs/efs/super.c | |
| parent | 94ea77ac696d76522ad32a51e84a969f83284eda (diff) | |
| download | linux-514c91a9cca12b19ed80ac6728278aff9bbf65f0.tar.bz2 | |
fs/efs: return f_fsid for statfs(2)
Make efs return f_fsid info for statfs(2), and do a little variable
renaming in efs_statfs().
Signed-off-by: Coly Li <coly.li@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/efs/super.c')
| -rw-r--r-- | fs/efs/super.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/efs/super.c b/fs/efs/super.c index 73b19cfc91fc..f04942810818 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c @@ -329,18 +329,22 @@ out_no_fs: } static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct efs_sb_info *sb = SUPER_INFO(dentry->d_sb); + struct super_block *sb = dentry->d_sb; + struct efs_sb_info *sbi = SUPER_INFO(sb); + u64 id = huge_encode_dev(sb->s_bdev->bd_dev); buf->f_type = EFS_SUPER_MAGIC; /* efs magic number */ buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */ - buf->f_blocks = sb->total_groups * /* total data blocks */ - (sb->group_size - sb->inode_blocks); - buf->f_bfree = sb->data_free; /* free data blocks */ - buf->f_bavail = sb->data_free; /* free blocks for non-root */ - buf->f_files = sb->total_groups * /* total inodes */ - sb->inode_blocks * + buf->f_blocks = sbi->total_groups * /* total data blocks */ + (sbi->group_size - sbi->inode_blocks); + buf->f_bfree = sbi->data_free; /* free data blocks */ + buf->f_bavail = sbi->data_free; /* free blocks for non-root */ + buf->f_files = sbi->total_groups * /* total inodes */ + sbi->inode_blocks * (EFS_BLOCKSIZE / sizeof(struct efs_dinode)); - buf->f_ffree = sb->inode_free; /* free inodes */ + buf->f_ffree = sbi->inode_free; /* free inodes */ + buf->f_fsid.val[0] = (u32)id; + buf->f_fsid.val[1] = (u32)(id >> 32); buf->f_namelen = EFS_MAXNAMELEN; /* max filename length */ return 0; |