Commit c2a25ec0 authored by Jens Axboe's avatar Jens Axboe
Browse files

fs: add FMODE_BUF_RASYNC 



If set, this indicates that the file system supports IOCB_WAITQ for
buffered reads.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 1a0a7853

include/linux/fs.h

+3 −0
Original line number Diff line number Diff line
@@ -175,6 +175,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, 
/* File does not contribute to nr_files count */

#define FMODE_NOACCOUNT		((__force fmode_t)0x20000000)



/* File supports async buffered reads */

#define FMODE_BUF_RASYNC	((__force fmode_t)0x40000000)



/*

 * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector

 * that indicates that they should check the contents of the iovec are