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author | Jan Kara <jack@suse.com> | 2015-12-07 21:10:26 +0100 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2015-12-07 21:10:26 +0100 |
commit | c86d8db33a922da808a5560aa15ed663a9569b37 (patch) | |
tree | 64ee357906cb5d2a0408a9613532460e49b7b6c9 /drivers/w1 | |
parent | ext4: provide ext4_issue_zeroout() (diff) | |
download | linux-c86d8db33a922da808a5560aa15ed663a9569b37.tar.xz linux-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 'drivers/w1')
0 files changed, 0 insertions, 0 deletions