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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>
This commit is contained in:
Coly Li 2009-04-02 16:59:34 -07:00 committed by Linus Torvalds
parent 94ea77ac69
commit 514c91a9cc
1 changed files with 12 additions and 8 deletions
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20
fs/efs/super.c
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@ -329,18 +329,22 @@ out_no_fs:
} }
static int efs_statfs(struct dentry *dentry, struct kstatfs *buf) { 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_type = EFS_SUPER_MAGIC; /* efs magic number */
buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */ buf->f_bsize = EFS_BLOCKSIZE; /* blocksize */
buf->f_blocks = sb->total_groups * /* total data blocks */ buf->f_blocks = sbi->total_groups * /* total data blocks */
(sb->group_size - sb->inode_blocks); (sbi->group_size - sbi->inode_blocks);
buf->f_bfree = sb->data_free; /* free data blocks */ buf->f_bfree = sbi->data_free; /* free data blocks */
buf->f_bavail = sb->data_free; /* free blocks for non-root */ buf->f_bavail = sbi->data_free; /* free blocks for non-root */
buf->f_files = sb->total_groups * /* total inodes */ buf->f_files = sbi->total_groups * /* total inodes */
sb->inode_blocks * sbi->inode_blocks *
(EFS_BLOCKSIZE / sizeof(struct efs_dinode)); (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 */ buf->f_namelen = EFS_MAXNAMELEN; /* max filename length */
return 0; return 0;