Messages in this thread Patch in this message | | | Date | Tue, 20 Jan 2009 01:34:33 +0800 | From | Coly Li <> | Subject | [PATCH 11/20] fs/jfs: return f_fsid for statfs(2) |
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This patch makes jfs return f_fsid info for statfs(2).
Signed-off-by: Coly Li <coly.li@suse.de> Cc: Dave Kleikamp <shaggy@austin.ibm.com> --- fs/jfs/super.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/fs/jfs/super.c b/fs/jfs/super.c index b37d1f7..7969c2f 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -143,8 +143,10 @@ static void jfs_destroy_inode(struct inode *inode)
static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct jfs_sb_info *sbi = JFS_SBI(dentry->d_sb); + struct super_block *sb = dentry->d_sb; + struct jfs_sb_info *sbi = JFS_SBI(sb); s64 maxinodes; + u64 id = huge_encode_dev(sb->s_bdev->bd_dev); struct inomap *imap = JFS_IP(sbi->ipimap)->i_imap;
jfs_info("In jfs_statfs"); @@ -168,6 +170,8 @@ static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_files = maxinodes; buf->f_ffree = maxinodes - (atomic_read(&imap->im_numinos) - atomic_read(&imap->im_numfree)); + buf->f_fsid.val[0] = (u32)id; + buf->f_fsid.val[1] = (u32)(id >> 32);
buf->f_namelen = JFS_NAME_MAX; return 0; -- Coly Li SuSE Labs
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