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authorJaegeuk Kim <jaegeuk@kernel.org>2017-04-24 15:20:16 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2017-05-02 21:19:48 -0700
commita817737e87d506ea7b3983d287b4578c99922d85 (patch)
tree31f5513a6bd36316d5345c4acea6ce94ffa5812c /fs/f2fs/data.c
parente959c8f543e11dadf7f6923427fb3acb452a0de6 (diff)
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f2fs: introduce valid_ipu_blkaddr to clean up
This patch introduces valid_ipu_blkaddr to clean up checking block address for inplace-update. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ca21ecbd6bbd..2f2de18d24fe 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1333,8 +1333,6 @@ static inline bool need_inplace_update(struct f2fs_io_info *fio)
{
struct inode *inode = fio->page->mapping->host;
- if (fio->old_blkaddr == NEW_ADDR)
- return false;
if (S_ISDIR(inode->i_mode) || f2fs_is_atomic_file(inode))
return false;
if (is_cold_data(fio->page))
@@ -1345,6 +1343,15 @@ static inline bool need_inplace_update(struct f2fs_io_info *fio)
return need_inplace_update_policy(inode, fio);
}
+static inline bool valid_ipu_blkaddr(struct f2fs_io_info *fio)
+{
+ if (fio->old_blkaddr == NEW_ADDR)
+ return false;
+ if (fio->old_blkaddr == NULL_ADDR)
+ return false;
+ return true;
+}
+
int do_write_data_page(struct f2fs_io_info *fio)
{
struct page *page = fio->page;
@@ -1358,8 +1365,8 @@ int do_write_data_page(struct f2fs_io_info *fio)
if (need_inplace_update(fio) &&
f2fs_lookup_extent_cache(inode, page->index, &ei)) {
fio->old_blkaddr = ei.blk + page->index - ei.fofs;
- if (fio->old_blkaddr != NULL_ADDR &&
- fio->old_blkaddr != NEW_ADDR) {
+
+ if (valid_ipu_blkaddr(fio)) {
ipu_force = true;
goto got_it;
}
@@ -1386,7 +1393,7 @@ got_it:
* If current allocation needs SSR,
* it had better in-place writes for updated data.
*/
- if (ipu_force || need_inplace_update(fio)) {
+ if (ipu_force || (valid_ipu_blkaddr(fio) && need_inplace_update(fio))) {
f2fs_bug_on(fio->sbi, !fio->cp_rwsem_locked);
f2fs_unlock_op(fio->sbi);
fio->cp_rwsem_locked = false;