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fs/cramfs: return f_fsid for statfs(2)

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Make cramfs return f_fsid info for statfs(2).

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 16:59:33 -07:00 committed by Linus Torvalds
parent 8587246a00
commit 94ea77ac69
1 changed files with 3 additions and 0 deletions
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3
fs/cramfs/inode.c
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@ -318,6 +318,7 @@ out:
static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf) static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{ {
struct super_block *sb = dentry->d_sb; struct super_block *sb = dentry->d_sb;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
buf->f_type = CRAMFS_MAGIC; buf->f_type = CRAMFS_MAGIC;
buf->f_bsize = PAGE_CACHE_SIZE; buf->f_bsize = PAGE_CACHE_SIZE;
@ -326,6 +327,8 @@ static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bavail = 0; buf->f_bavail = 0;
buf->f_files = CRAMFS_SB(sb)->files; buf->f_files = CRAMFS_SB(sb)->files;
buf->f_ffree = 0; buf->f_ffree = 0;
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);
buf->f_namelen = CRAMFS_MAXPATHLEN; buf->f_namelen = CRAMFS_MAXPATHLEN;
return 0; return 0;
} }