diff options
| author | Jan Kara <jack@suse.com> | 2015-12-07 23:10:26 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-12-07 23:10:26 +0300 |
| commit | c86d8db33a922da808a5560aa15ed663a9569b37 (patch) | |
| tree | 64ee357906cb5d2a0408a9613532460e49b7b6c9 /fs/ext4/file.c | |
| parent | 53085fac02d12fcd29a9cb074ec480ff0f77ae5c (diff) | |
| download | linux-c86d8db33a922da808a5560aa15ed663a9569b37.tar.xz | |
ext4: implement allocation of pre-zeroed blocks
DAX page fault path needs to get blocks that are pre-zeroed to avoid
races when two concurrent page faults happen in the same block of a
file. Implement support for this in ext4_map_blocks().
Signed-off-by: Jan Kara <jack@suse.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/file.c')
0 files changed, 0 insertions, 0 deletions