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authorColy Li <coly.li@suse.de>2009-04-02 16:59:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:05:10 -0700
commit1c5b45411f93b44a6f3dde3328f88f11bca1bca5 (patch)
treea53dc0eb22c866c4e0acc30b0a434869c2522dac /fs/sysv/inode.c
parent2fc7f562b439a361c62b9d8a67733a164fb6136f (diff)
fs/sysv: return f_fsid for statfs(2)
Make sysv file system return f_fsid info for statfs(2). Signed-off-by: Coly Li <coly.li@suse.de> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/sysv/inode.c')
-rw-r--r--fs/sysv/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 3d81bf58dae..da20b48d350 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -90,6 +90,7 @@ static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
struct sysv_sb_info *sbi = SYSV_SB(sb);
+ u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
buf->f_type = sb->s_magic;
buf->f_bsize = sb->s_blocksize;
@@ -98,6 +99,8 @@ static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = sbi->s_ninodes;
buf->f_ffree = sysv_count_free_inodes(sb);
buf->f_namelen = SYSV_NAMELEN;
+ buf->f_fsid.val[0] = (u32)id;
+ buf->f_fsid.val[1] = (u32)(id >> 32);
return 0;
}