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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-16 17:03:23 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-06 10:44:10 -0700 |
| commit | ac6f199984a667eb017897b8528f7687eac8fa45 (patch) | |
| tree | 74122f3fcccf9a923308ffd86680699b07ea935d /fs/f2fs | |
| parent | 2c237ebaa440b8c641c61cf66802521a917fc30c (diff) | |
| download | op-kernel-dev-ac6f199984a667eb017897b8528f7687eac8fa45.zip op-kernel-dev-ac6f199984a667eb017897b8528f7687eac8fa45.tar.gz | |
f2fs: avoid latency-critical readahead of node pages
The f2fs_map_blocks is very related to the performance, so let's avoid any
latency to read ahead node pages.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/data.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 0832528..ba4963f 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -652,7 +652,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, unsigned int maxblocks = map->m_len; struct dnode_of_data dn; struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - int mode = create ? ALLOC_NODE : LOOKUP_NODE_RA; + int mode = create ? ALLOC_NODE : LOOKUP_NODE; pgoff_t pgofs, end_offset, end; int err = 0, ofs = 1; unsigned int ofs_in_node, last_ofs_in_node; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b9d745e..d07e775 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -354,7 +354,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) { set_new_dnode(&dn, inode, NULL, NULL, 0); - err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA); + err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE); if (err && err != -ENOENT) { goto fail; } else if (err == -ENOENT) { |
