| commit | 430657b6be896db57d974375cc499ca212c7f01d | |
| author | Ross Zwisler <ross.zwisler@linux.intel.com> | |
| Sun, 29 Jul 2018 21:00:22 +0000 (29 17:00 -0400) | ||
| committer | Theodore Ts'o <tytso@mit.edu> | |
| Sun, 29 Jul 2018 21:00:22 +0000 (29 17:00 -0400) | ||
| tree | ba4489c4000ac7946de998f9f6a5cd2a3834d283 | treesnapshot (tar.gz zip) |
| parent | cdbf8897cb09b7baf2b8a7e78051a35a872b01d5 | commitdiff |
ext4: handle layout changes to pinned DAX mappings
Follow the lead of xfs_break_dax_layouts() and add synchronization between
operations in ext4 which remove blocks from an inode (hole punch, truncate
down, etc.) and pages which are pinned due to DAX DMA operations.
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Follow the lead of xfs_break_dax_layouts() and add synchronization between
operations in ext4 which remove blocks from an inode (hole punch, truncate
down, etc.) and pages which are pinned due to DAX DMA operations.
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
| fs/ext4/ext4.h | diffblobblamehistory | |
| fs/ext4/extents.c | diffblobblamehistory | |
| fs/ext4/inode.c | diffblobblamehistory | |
| fs/ext4/truncate.h | diffblobblamehistory |