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| author |   Jan Kara <jack@suse.com> | 2015-12-07 15:10:26 -0500 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2015-12-07 15:10:26 -0500 |
| commit | c86d8db33a922da808a5560aa15ed663a9569b37 (patch) | |
| tree | 64ee357906cb5d2a0408a9613532460e49b7b6c9 /tools/perf/scripts/python/syscall-counts.py | |
| parent | ext4: provide ext4_issue_zeroout() (diff) | |
| download | linux-dev-c86d8db33a922da808a5560aa15ed663a9569b37.tar.xz linux-dev-c86d8db33a922da808a5560aa15ed663a9569b37.zip | |
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 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions