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fuse: pass open flags to read and write

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Some open flags (O_APPEND, O_DIRECT) can be changed with fcntl(F_SETFL, ...)
after open, but fuse currently only sends the flags to userspace in open.

To make it possible to correcly handle changing flags, send the
current value to userspace in each read and write.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miklos Szeredi
2007-11-28 16:22:00 -08:00
committed by Linus Torvalds
parent 7dca9fd39f
commit a6643094e7
4 changed files with 22 additions and 14 deletions
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5
include/linux/fuse.h
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@@ -16,6 +16,7 @@
* - add lk_flags in fuse_lk_in
* - 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
*/
#include <asm/types.h>
@@ -280,6 +281,8 @@ struct fuse_read_in {
__u32 size;
__u32 read_flags;
__u64 lock_owner;
__u32 flags;
__u32 padding;
};
#define FUSE_COMPAT_WRITE_IN_SIZE 24
@@ -290,6 +293,8 @@ struct fuse_write_in {
__u32 size;
__u32 write_flags;
__u64 lock_owner;
__u32 flags;
__u32 padding;
};
struct fuse_write_out {