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authorTejun Heo <tj@kernel.org>2008-10-16 16:08:57 +0200
committerMiklos Szeredi <miklos@szeredi.hu>2008-10-16 16:08:57 +0200
commita7c1b990f71574e077b94ce4582e2cf11cb891fe (patch)
tree9192239167f6047c4f5fbc64d530904ac4f8de86
parent29d434b39c807320fbe4bcdce0ab98a0b9fcb285 (diff)
fuse: implement nonseekable open
Let the client request nonseekable open using FOPEN_NONSEEKABLE and call nonseekable_open() on the file if requested. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
-rw-r--r--fs/fuse/file.c2
-rw-r--r--include/linux/fuse.h7
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 98079aa800e..34930a964b8 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -101,6 +101,8 @@ void fuse_finish_open(struct inode *inode, struct file *file,
file->f_op = &fuse_direct_io_file_operations;
if (!(outarg->open_flags & FOPEN_KEEP_CACHE))
invalidate_inode_pages2(inode->i_mapping);
+ if (outarg->open_flags & FOPEN_NONSEEKABLE)
+ nonseekable_open(inode, file);
ff->fh = outarg->fh;
file->private_data = fuse_file_get(ff);
}
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 8bc1101e9b3..350fe9767bb 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -17,6 +17,9 @@
* - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in
* - add blksize field to fuse_attr
* - add file flags field to fuse_read_in and fuse_write_in
+ *
+ * 7.10
+ * - add nonseekable open flag
*/
#ifndef _LINUX_FUSE_H
@@ -29,7 +32,7 @@
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 9
+#define FUSE_KERNEL_MINOR_VERSION 10
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
@@ -101,9 +104,11 @@ struct fuse_file_lock {
*
* FOPEN_DIRECT_IO: bypass page cache for this open file
* FOPEN_KEEP_CACHE: don't invalidate the data cache on open
+ * FOPEN_NONSEEKABLE: the file is not seekable
*/
#define FOPEN_DIRECT_IO (1 << 0)
#define FOPEN_KEEP_CACHE (1 << 1)
+#define FOPEN_NONSEEKABLE (1 << 2)
/**
* INIT request/reply flags