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authorColy Li <coly.li@suse.de>2009-04-06 19:01:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 08:31:10 -0700
commit8a59f5d2526593c6bc1a0754c3a16ccc9ed41ce3 (patch)
treee6704cc22d5069db4d3e86537fe7099df932d325
parentbdc8e5f85f9abe2e7c78dcf39d81f9a97178788b (diff)
downloadop-kernel-dev-8a59f5d2526593c6bc1a0754c3a16ccc9ed41ce3.zip
op-kernel-dev-8a59f5d2526593c6bc1a0754c3a16ccc9ed41ce3.tar.gz
fs/romfs: return f_fsid for statfs(2)
Make romfs 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>
-rw-r--r--fs/romfs/super.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 1e548a4..10ca7d9 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -408,12 +408,17 @@ static void romfs_destroy_inode(struct inode *inode)
*/
static int romfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
+ struct super_block *sb = dentry->d_sb;
+ u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
+
buf->f_type = ROMFS_MAGIC;
buf->f_namelen = ROMFS_MAXFN;
buf->f_bsize = ROMBSIZE;
buf->f_bfree = buf->f_bavail = buf->f_ffree;
buf->f_blocks =
(romfs_maxsize(dentry->d_sb) + ROMBSIZE - 1) >> ROMBSBITS;
+ buf->f_fsid.val[0] = (u32)id;
+ buf->f_fsid.val[1] = (u32)(id >> 32);
return 0;
}
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