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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2014-11-06 17:21:24 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-11-10 06:51:28 -0800 |
| commit | 2f97c326bf05ca2feeb95688da50c68671638b69 (patch) | |
| tree | 9d87b4a9549afa1a42dd602bea08e8cc13d1a8ba /fs/f2fs/node.c | |
| parent | f2fs: control the memory footprint used by ino entries (diff) | |
| download | linux-dev-2f97c326bf05ca2feeb95688da50c68671638b69.tar.xz linux-dev-2f97c326bf05ca2feeb95688da50c68671638b69.zip | |
f2fs: write node pages if checkpoint is not doing
It needs to write node pages if checkpoint is not doing in order to avoid
memory pressure.
Reviewed-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 4ea2c4728156..6f514fb5fd96 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1314,10 +1314,12 @@ static int f2fs_write_node_page(struct page *page, return 0; } - if (wbc->for_reclaim) - goto redirty_out; - - down_read(&sbi->node_write); + if (wbc->for_reclaim) { + if (!down_read_trylock(&sbi->node_write)) + goto redirty_out; + } else { + down_read(&sbi->node_write); + } set_page_writeback(page); write_node_page(sbi, page, &fio, nid, ni.blk_addr, &new_addr); set_node_addr(sbi, &ni, new_addr, is_fsync_dnode(page)); |