Since posting that patch to add i_ino uniqueness to pipefs, I've gotten some
comments that have convinced me that we should probably leave it as is for
now (at least until someone we a good reason).
So, please back out that patch from -mm.
The patch below should revert pipefs to its original state.
Thanks,
Signed-off-by: Jeff Layton <[email protected]>
diff --git a/fs/pipe.c b/fs/pipe.c
index 9b3cb34..68090e8 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -871,8 +871,6 @@ static struct inode * get_pipe_inode(void)
inode->i_uid = current->fsuid;
inode->i_gid = current->fsgid;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- inode->i_ino = iunique(pipe_mnt->mnt_sb, 1);
- insert_inode_hash(inode);
return inode;
@@ -1005,11 +1003,6 @@ int do_pipe(int *fd)
return error;
}
-static struct super_operations pipefs_sops = {
- .statfs = simple_statfs,
- .drop_inode = generic_delete_inode,
-};
-
/*
* pipefs should _never_ be mounted by userland - too much of security hassle,
* no real gain from having the whole whorehouse mounted. So we don't need
@@ -1020,7 +1013,7 @@ static int pipefs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
{
- return get_sb_pseudo(fs_type, "pipe:", &pipefs_sops, PIPEFS_MAGIC, mnt);
+ return get_sb_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC, mnt);
}
static struct file_system_type pipe_fs_type = {
-
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