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| author | yangerkun <yangerkun@huawei.com> | 2019-02-11 08:05:24 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2019-02-11 08:05:24 +0300 |
| commit | a46c68a318b08f819047843abf349aeee5d10ac2 (patch) | |
| tree | 5514fcd695413fddddab5f833827b0e6eec17002 /Documentation/platform | |
| parent | 67a11611e1a5211f6569044fbf8150875764d1d0 (diff) | |
| download | linux-a46c68a318b08f819047843abf349aeee5d10ac2.tar.xz | |
ext4: cleanup pagecache before swap i_data
While do swap, we should make sure there has no new dirty page since we
should swap i_data between two inode:
1.We should lock i_mmap_sem with write to avoid new pagecache from mmap
read/write;
2.Change filemap_flush to filemap_write_and_wait and move them to the
space protected by inode lock to avoid new pagecache from buffer read/write.
Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Diffstat (limited to 'Documentation/platform')
0 files changed, 0 insertions, 0 deletions