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| author | Tejun Heo <tj@kernel.org> | 2008-10-16 16:08:57 +0200 |
|---|---|---|
| committer | Miklos Szeredi <miklos@szeredi.hu> | 2008-10-16 16:08:57 +0200 |
| commit | a7c1b990f71574e077b94ce4582e2cf11cb891fe (patch) | |
| tree | 9192239167f6047c4f5fbc64d530904ac4f8de86 | |
| parent | 29d434b39c807320fbe4bcdce0ab98a0b9fcb285 (diff) | |
| download | linux-a7c1b990f71574e077b94ce4582e2cf11cb891fe.tar.gz linux-a7c1b990f71574e077b94ce4582e2cf11cb891fe.tar.bz2 linux-a7c1b990f71574e077b94ce4582e2cf11cb891fe.zip | |
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.c | 2 | ||||
| -rw-r--r-- | include/linux/fuse.h | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 98079aa800e8..34930a964b82 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 8bc1101e9b35..350fe9767bbc 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 |