Theodore Ts'o c9af28fdd4 ext4 crypto: don't let data integrity writebacks fail with ENOMEM
We don't want the writeback triggered from the journal commit (in
data=writeback mode) to cause the journal to abort due to
generic_writepages() returning an ENOMEM error.  In addition, if
fsync() fails with ENOMEM, most applications will probably not do the
right thing.

So if we are doing a data integrity sync, and ext4_encrypt() returns
ENOMEM, we will submit any queued I/O to date, and then retry the
allocation using GFP_NOFAIL.

Google-Bug-Id: 27641567

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-03-26 16:14:34 -04:00
..
2016-01-22 18:04:28 -05:00
2016-01-20 17:09:18 -08:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-03-17 16:38:36 -07:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-03-17 16:51:32 -07:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2015-11-13 21:53:18 -08:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-03-21 11:53:05 -07:00
2016-01-22 18:04:28 -05:00
2015-11-10 12:07:22 -08:00
2016-02-27 10:28:52 -08:00
2016-01-22 18:04:28 -05:00
2016-03-15 16:55:16 -07:00
2016-03-21 11:53:05 -07:00
2016-03-14 00:17:38 -04:00
2016-03-21 11:53:05 -07:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-03-14 00:16:33 -04:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00
2016-01-22 18:04:28 -05:00