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(parent: 29a5d29) | 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)
commitedf064e7c6fec3646b06c944a8e35d1a3de5c2c3
tree861835f7c0ae787598be8e18eac67f623d90658etree | snapshot (tar.gz zip)
parent29a5d29ec181ebdc98a26cedbd76ce9870248892commit | 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 | blame | history
fs/btrfs/inode.c diff | blob | blame | history