The patch titled
fs/jfs: return f_fsid for statfs(2)
has been removed from the -mm tree. Its filename was
fs-jfs-return-f_fsid-for-statfs2.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: fs/jfs: return f_fsid for statfs(2)
From: Coly Li <coly.li@xxxxxxx>
Make jfs return f_fsid info for statfs(2). By Andreas' suggestion, this
patch populates a persistent f_fsid between boots/mounts with help of
on-disk uuid record.
Signed-off-by: Coly Li <coly.li@xxxxxxx>
Acked-by: Dave Kleikamp <shaggy@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/jfs/super.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN fs/jfs/super.c~fs-jfs-return-f_fsid-for-statfs2 fs/jfs/super.c
--- a/fs/jfs/super.c~fs-jfs-return-f_fsid-for-statfs2
+++ a/fs/jfs/super.c
@@ -143,8 +143,10 @@ static void jfs_destroy_inode(struct ino
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 *den
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;
_
Patches currently in -mm which might be from coly.li@xxxxxxx are
linux-next.patch
fs-adfs-return-f_fsid-for-statfs2.patch
fs-affs-return-f_fsid-for-statfs2.patch
fs-befs-return-f_fsid-for-statfs2.patch
fs-cramfs-return-f_fsid-for-statfs2.patch
fs-efs-return-f_fsid-for-statfs2.patch
fs-fat-return-f_fsid-for-statfs2.patch
fs-hfs-return-f_fsid-for-statfs2.patch
fs-hfsplus-return-f_fsid-for-statfs2.patch
fs-hpfs-return-f_fsid-for-statfs2.patch
fs-isofs-return-f_fsid-for-statfs2.patch
fs-minix-return-f_fsid-for-statfs2.patch
fs-omfs-return-f_fsid-for-statfs2.patch
fs-qnx4-return-f_fsid-for-statfs2.patch
fs-reiserfs-return-f_fsid-for-statfs2.patch
fs-reiserfs-return-f_fsid-for-statfs2-v2.patch
fs-romfs-return-f_fsid-for-statfs2.patch
fs-squashfs-return-f_fsid-for-statfs2.patch
fs-sysv-return-f_fsid-for-statfs2.patch
fs-ufs-return-f_fsid-for-statfs2.patch
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