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Subject[PATCH 3/7] FUSE: implement nonseekable open
Date
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>
---
fs/fuse/file.c | 2 ++
include/linux/fuse.h | 2 ++
2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d405865..9c44f9c 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 724ca19..431666e 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -101,9 +101,11 @@ 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
--
1.5.4.5


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