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(parent: fe92950) | patch
btrfs: nowait aio support
authorGoldwyn Rodrigues <rgoldwyn@suse.com>
Tue, 20 Jun 2017 12:05:49 +0000 (07:05 -0500)
committerJens Axboe <axboe@kernel.dk>
Tue, 20 Jun 2017 13:12:03 +0000 (07:12 -0600)
commitc41e779b6433f3108bb1f9bff925262136f6d742
tree861835f7c0ae787598be8e18eac67f623d90658etree | snapshot
parentfe92950fafb478cdd0056e88ed1f9dbaf6541ed2commit | diff
btrfs: nowait aio support

Return EAGAIN if any of the following checks fail
 + i_rwsem is not lockable
 + NODATACOW or PREALLOC is not set
 + Cannot nocow at the desired location
 + Writing beyond end of file which is not allocated

Acked-by: David Sterba <dsterba@suse.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/btrfs/file.c diff | blob | history
fs/btrfs/inode.c diff | blob | history
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