linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH 4/20] fs/cramfs: return f_fsid for statfs(2)
@ 2009-01-19 17:32 Coly Li
  0 siblings, 0 replies; only message in thread
From: Coly Li @ 2009-01-19 17:32 UTC (permalink / raw)
  To: linux-kernel; +Cc: Andrew Morton

This patch makes cramfs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 fs/cramfs/inode.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index a07338d..1cb64ac 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -318,6 +318,7 @@ out:
 static int cramfs_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 = CRAMFS_MAGIC;
 	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_files = CRAMFS_SB(sb)->files;
 	buf->f_ffree = 0;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = CRAMFS_MAXPATHLEN;
 	return 0;
 }

-- 
Coly Li
SuSE Labs




^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2009-01-19 17:27 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-01-19 17:32 [PATCH 4/20] fs/cramfs: return f_fsid for statfs(2) Coly Li

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).