From 1cd66c93ba8cdb873258f58ae6a817b28a02bcc3 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:58 +0200 Subject: fs: make remaining filesystems use .rename2 This is trivial to do: - add flags argument to foo_rename() - check if flags is zero - assign foo_rename() to .rename2 instead of .rename This doesn't mean it's impossible to support RENAME_NOREPLACE for these filesystems, but it is not trivial, like for local filesystems. RENAME_NOREPLACE must guarantee atomicity (i.e. it shouldn't be possible for a file to be created on one host while it is overwritten by rename on another host). Filesystems converted: 9p, afs, ceph, coda, ecryptfs, kernfs, lustre, ncpfs, nfs, ocfs2, orangefs. After this, we can get rid of the duplicate interfaces for rename. Signed-off-by: Miklos Szeredi Acked-by: Greg Kroah-Hartman Acked-by: David Howells [AFS] Acked-by: Mike Marshall Cc: Eric Van Hensbergen Cc: Ilya Dryomov Cc: Jan Harkes Cc: Tyler Hicks Cc: Oleg Drokin Cc: Trond Myklebust Cc: Mark Fasheh --- fs/orangefs/namei.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'fs/orangefs') diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index 62c525936ee8..810d43635dfb 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -409,11 +409,15 @@ out: static int orangefs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, - struct dentry *new_dentry) + struct dentry *new_dentry, + unsigned int flags) { struct orangefs_kernel_op_s *new_op; int ret; + if (flags) + return -EINVAL; + gossip_debug(GOSSIP_NAME_DEBUG, "orangefs_rename: called (%pd2 => %pd2) ct=%d\n", old_dentry, new_dentry, d_count(new_dentry)); @@ -459,7 +463,7 @@ const struct inode_operations orangefs_dir_inode_operations = { .symlink = orangefs_symlink, .mkdir = orangefs_mkdir, .rmdir = orangefs_unlink, - .rename = orangefs_rename, + .rename2 = orangefs_rename, .setattr = orangefs_setattr, .getattr = orangefs_getattr, .setxattr = generic_setxattr, -- cgit v1.2.3 From 2773bf00aeb9bf39e022463272a61dd0ec9f55f4 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:58 +0200 Subject: fs: rename "rename2" i_op to "rename" Generated patch: sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2` sed -i "s/\brename2\b/rename/g" `git grep -wl rename2` Signed-off-by: Miklos Szeredi --- fs/orangefs/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/orangefs') diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index 810d43635dfb..5f015c58bfa2 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -463,7 +463,7 @@ const struct inode_operations orangefs_dir_inode_operations = { .symlink = orangefs_symlink, .mkdir = orangefs_mkdir, .rmdir = orangefs_unlink, - .rename2 = orangefs_rename, + .rename = orangefs_rename, .setattr = orangefs_setattr, .getattr = orangefs_getattr, .setxattr = generic_setxattr, -- cgit v1.2.3