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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-11-11 16:46:40 -0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:34:28 +0200 |
| commit | 8cb73da38fa3eac200cb004cf4b214ffe0855208 (patch) | |
| tree | efc5372a4c4ca2a3bce05fdc9ea521127fe9353a /scripts | |
| parent | d78ce8ef2e85e4f1e5006377100ae99a2e45bbae (diff) | |
f2fs: fix redundant block allocation
In direct_IO path of f2fs_file_write_iter(),
1. f2fs_preallocate_blocks(F2FS_GET_BLOCK_PRE_DIO)
-> allocate LBA X
2. f2fs_direct_IO()
-> return 0;
Then,
f2fs_write_data_page() will allocate another LBA X+1.
This makes EIO triggered by HM-SMR.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Conflicts:
fs/f2fs/data.c
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions