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authorColy Li <coly.li@suse.de>2009-04-02 19:59:34 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 22:05:09 -0400
commit514c91a9cca12b19ed80ac6728278aff9bbf65f0 (patch)
treecf38741f31c6214b3d64013b3d3fe3c99882a468 /fs/efs/super.c
parent94ea77ac696d76522ad32a51e84a969f83284eda (diff)
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.c20
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:
329} 329}
330 330
331static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { 331static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) {
332 struct efs_sb_info *sb = SUPER_INFO(dentry->d_sb); 332 struct super_block *sb = dentry->d_sb;
333 struct efs_sb_info *sbi = SUPER_INFO(sb);
334 u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
333 335
334 buf->f_type = EFS_SUPER_MAGIC; /* efs magic number */ 336 buf->f_type = EFS_SUPER_MAGIC; /* efs magic number */
335 buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */ 337 buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */
336 buf->f_blocks = sb->total_groups * /* total data blocks */ 338 buf->f_blocks = sbi->total_groups * /* total data blocks */
337 (sb->group_size - sb->inode_blocks); 339 (sbi->group_size - sbi->inode_blocks);
338 buf->f_bfree = sb->data_free; /* free data blocks */ 340 buf->f_bfree = sbi->data_free; /* free data blocks */
339 buf->f_bavail = sb->data_free; /* free blocks for non-root */ 341 buf->f_bavail = sbi->data_free; /* free blocks for non-root */
340 buf->f_files = sb->total_groups * /* total inodes */ 342 buf->f_files = sbi->total_groups * /* total inodes */
341 sb->inode_blocks * 343 sbi->inode_blocks *
342 (EFS_BLOCKSIZE / sizeof(struct efs_dinode)); 344 (EFS_BLOCKSIZE / sizeof(struct efs_dinode));
343 buf->f_ffree = sb->inode_free; /* free inodes */ 345 buf->f_ffree = sbi->inode_free; /* free inodes */
346 buf->f_fsid.val[0] = (u32)id;
347 buf->f_fsid.val[1] = (u32)(id >> 32);
344 buf->f_namelen = EFS_MAXNAMELEN; /* max filename length */ 348 buf->f_namelen = EFS_MAXNAMELEN; /* max filename length */
345 349
346 return 0; 350 return 0;