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authorMiklos Szeredi <mszeredi@redhat.com>2016-09-27 11:03:58 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2016-09-27 11:03:58 +0200
commit18fc84dafaac1fd63d5e6e600058eada8fc7914b (patch)
treed48fc9b796c75e21ed5fbc7777755dd824941b46 /Documentation
parent1cd66c93ba8cdb873258f58ae6a817b28a02bcc3 (diff)
vfs: remove unused i_op->rename
No in-tree uses remain. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/Locking6
-rw-r--r--Documentation/filesystems/directory-locking2
-rw-r--r--Documentation/filesystems/vfs.txt9
3 files changed, 4 insertions, 13 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index d30fb2cb5066..da320bc08b9e 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -50,8 +50,6 @@ prototypes:
int (*mkdir) (struct inode *,struct dentry *,umode_t);
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
- int (*rename) (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
int (*rename2) (struct inode *, struct dentry *,
struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
@@ -83,7 +81,6 @@ symlink: yes
mkdir: yes
unlink: yes (both)
rmdir: yes (both) (see below)
-rename: yes (all) (see below)
rename2: yes (all) (see below)
readlink: no
get_link: no
@@ -102,8 +99,7 @@ tmpfile: no
Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on
victim.
- cross-directory ->rename() and rename2() has (per-superblock)
-->s_vfs_rename_sem.
+ cross-directory ->rename2() has (per-superblock) ->s_vfs_rename_sem.
See Documentation/filesystems/directory-locking for more detailed discussion
of the locking scheme for directory operations.
diff --git a/Documentation/filesystems/directory-locking b/Documentation/filesystems/directory-locking
index c314badbcfc6..4e32cb961e5b 100644
--- a/Documentation/filesystems/directory-locking
+++ b/Documentation/filesystems/directory-locking
@@ -19,7 +19,7 @@ locks victim and calls the method. Locks are exclusive.
4) rename() that is _not_ cross-directory. Locking rules: caller locks
the parent and finds source and target. In case of exchange (with
-RENAME_EXCHANGE in rename2() flags argument) lock both. In any case,
+RENAME_EXCHANGE in flags argument) lock both. In any case,
if the target already exists, lock it. If the source is a non-directory,
lock it. If we need to lock both, lock them in inode pointer order.
Then call the method. All locks are exclusive.
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 9ace359d6cc5..c641e0c37a07 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -345,8 +345,6 @@ struct inode_operations {
int (*mkdir) (struct inode *,struct dentry *,umode_t);
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
- int (*rename) (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
int (*rename2) (struct inode *, struct dentry *,
struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
@@ -416,11 +414,8 @@ otherwise noted.
rename: called by the rename(2) system call to rename the object to
have the parent and name given by the second inode and dentry.
- rename2: this has an additional flags argument compared to rename.
- If no flags are supported by the filesystem then this method
- need not be implemented. If some flags are supported then the
- filesystem must return -EINVAL for any unsupported or unknown
- flags. Currently the following flags are implemented:
+ The filesystem must return -EINVAL for any unsupported or
+ unknown flags. Currently the following flags are implemented:
(1) RENAME_NOREPLACE: this flag indicates that if the target
of the rename exists the rename should fail with -EEXIST
instead of replacing the target. The VFS already checks for