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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-20 23:43:51 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6 (patch) | |
| tree | a413bdb72037dedf3bace051d93683591690cd5b /fs/f2fs/gc.c | |
| parent | f2fs: enhance foreground GC (diff) | |
| download | linux-dev-fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6.tar.xz linux-dev-fec1d6576cdf2ce13f84fcdf7b20d02a05f76fc6.zip | |
f2fs: use wait_for_stable_page to avoid contention
In write_begin, if storage supports stable_page, we don't need to wait for
writeback to update its contents.
This patch introduces to use wait_for_stable_page instead of
wait_on_page_writeback.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/gc.c')
| -rw-r--r-- | fs/f2fs/gc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index c1f363d2b17c..d57245deca99 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -446,7 +446,7 @@ next_step: /* set page dirty and write it */ if (gc_type == FG_GC) { - f2fs_wait_on_page_writeback(node_page, NODE); + f2fs_wait_on_page_writeback(node_page, NODE, true); set_page_dirty(node_page); } else { if (!PageWriteback(node_page)) @@ -553,7 +553,7 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) * don't cache encrypted data into meta inode until previous dirty * data were writebacked to avoid racing between GC and flush. */ - f2fs_wait_on_page_writeback(page, DATA); + f2fs_wait_on_page_writeback(page, DATA, true); get_node_info(fio.sbi, dn.nid, &ni); set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version); @@ -582,14 +582,14 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) goto put_page_out; set_page_dirty(fio.encrypted_page); - f2fs_wait_on_page_writeback(fio.encrypted_page, DATA); + f2fs_wait_on_page_writeback(fio.encrypted_page, DATA, true); if (clear_page_dirty_for_io(fio.encrypted_page)) dec_page_count(fio.sbi, F2FS_DIRTY_META); set_page_writeback(fio.encrypted_page); /* allocate block address */ - f2fs_wait_on_page_writeback(dn.node_page, NODE); + f2fs_wait_on_page_writeback(dn.node_page, NODE, true); allocate_data_block(fio.sbi, NULL, fio.blk_addr, &fio.blk_addr, &sum, CURSEG_COLD_DATA); fio.rw = WRITE_SYNC; @@ -631,7 +631,7 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type) .encrypted_page = NULL, }; set_page_dirty(page); - f2fs_wait_on_page_writeback(page, DATA); + f2fs_wait_on_page_writeback(page, DATA, true); if (clear_page_dirty_for_io(page)) inode_dec_dirty_pages(inode); set_cold_data(page); |