The patch titled
revoke: add documentation
has been removed from the -mm tree. Its filename was
revoke-add-documentation.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: revoke: add documentation
From: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
This documents revoke file operation in Documentation/filesystems/vfs.txt.
Acked-by: Alan Cox <alan@xxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Michael Kerrisk <mtk-manpages@xxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/vfs.txt | 5 +++++
1 files changed, 5 insertions(+)
diff -puN Documentation/filesystems/vfs.txt~revoke-add-documentation Documentation/filesystems/vfs.txt
--- a/Documentation/filesystems/vfs.txt~revoke-add-documentation
+++ a/Documentation/filesystems/vfs.txt
@@ -780,6 +780,7 @@ struct file_operations {
int (*flock) (struct file *, int, struct file_lock *);
ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, size_t, unsigned int);
ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
+ int (*revoke)(struct file *);
};
Again, all methods are called without any locks being held, unless
@@ -853,6 +854,10 @@ otherwise noted.
splice_read: called by the VFS to splice data from file to a pipe. This
method is used by the splice(2) system call
+ revoke: called by revokeat(2) and frevoke(2) system calls to revoke access
+ to an open file. This method must ensure that all currently blocked
+ writes are flushed and reads will fail.
+
Note that the file operations are implemented by the specific
filesystem in which the inode resides. When opening a device node
(character or block special) most filesystems will call special
_
Patches currently in -mm which might be from penberg@xxxxxxxxxxxxxx are
git-unionfs.patch
slub-consolidate-add_partial-and-add_partial_tail-to-one-function.patch
slub-fix-coding-style-violations.patch
slub-fix-coding-style-violations-checkpatch-fixes.patch
slub-noinline-some-functions-to-avoid-them-being-folded-into-alloc-free.patch
slub-move-kmem_cache_node-determination-into-add_full-and-add_partial.patch
slub-avoid-checking-for-a-valid-object-before-zeroing-on-the-fast-path.patch
slub-__slab_alloc-exit-path-consolidation.patch
slub-provide-unique-end-marker-for-each-slab.patch
slub-provide-unique-end-marker-for-each-slab-fix.patch
slub-avoid-referencing-kmem_cache-structure-in-__slab_alloc.patch
slub-optional-fast-path-using-cmpxchg_local.patch
slub-do-our-own-locking-via-slab_lock-and-slab_unlock.patch
slub-do-our-own-locking-via-slab_lock-and-slab_unlock-checkpatch-fixes.patch
slub-restructure-slab-alloc.patch
revoke-add-documentation.patch
revoke-wire-up-i386-system-calls.patch
revoke-vs-git-block.patch
slab-leaks3-default-y.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
