tree e0a5bc75a02dda7f46ba4d0e838c54f39b1fe4f6
parent 74072d0a63553720dd3c70a8b8e9407eb2027dbe
author Eric Sandeen <sandeen@redhat.com> 1254532855 -0400
committer Theodore Ts'o <tytso@mit.edu> 1254532855 -0400

[PATCH] ext4: retry failed direct IO allocations

On a 256M filesystem, doing this in a loop:

        xfs_io -F -f -d -c 'pwrite 0 64m' test
        rm -f test

eventually leads to ENOSPC.  (the xfs_io command does a
64m direct IO write to the file "test")

As with other block allocation callers, it looks like we need to
potentially retry the allocations on the initial ENOSPC.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>