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NFS: Ensure that setattr and getattr wait for O_DIRECT write completion

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Use the same mechanism as the block devices are using, but move the
helper functions from fs/direct-io.c into fs/inode.c to remove the
dependency on CONFIG_BLOCK.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Trond Myklebust
2012-05-31 12:22:33 -04:00
committed by Linus Torvalds
parent 2d117403b3
commit 1d59d61f60
6 changed files with 70 additions and 54 deletions
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9
include/linux/fs.h
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@@ -2453,8 +2453,6 @@ enum {
};
void dio_end_io(struct bio *bio, int error);
void inode_dio_wait(struct inode *inode);
void inode_dio_done(struct inode *inode);
ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, const struct iovec *iov, loff_t offset,
@@ -2469,12 +2467,11 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
offset, nr_segs, get_block, NULL, NULL,
DIO_LOCKING | DIO_SKIP_HOLES);
}
#else
static inline void inode_dio_wait(struct inode *inode)
{
}
#endif
void inode_dio_wait(struct inode *inode);
void inode_dio_done(struct inode *inode);
extern const struct file_operations generic_ro_fops;
#define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))