f2fs: delete obsolete FI_DROP_CACHE

FI_DROP_CACHE was introduced in commit 1e84371ffeef ("f2fs: change
atomic and volatile write policies") for volatile write feature,
after commit 7bc155fec5b3 ("f2fs: kill volatile write support"),
we won't support volatile write, let's delete related codes.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 73d0726ac36657684399e7e12a4b4eb366ac7428..7a81ff3c385a8a5451d9071684bd4dfc4e8a2236 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2892,9 +2892,6 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
 
        zero_user_segment(page, offset, PAGE_SIZE);
 write:
-       if (f2fs_is_drop_cache(inode))
-               goto out;
-
        /* Dentry/quota blocks are controlled by checkpoint */
        if (S_ISDIR(inode->i_mode) || quota_inode) {
                /*

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index be9a8e50ac50bf78659a89715b31f110c3e3efb9..2f1d760889532bad60c4957c047937b16e73e522 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -781,7 +781,6 @@ enum {
        FI_UPDATE_WRITE,        /* inode has in-place-update data */
        FI_NEED_IPU,            /* used for ipu per file */
        FI_ATOMIC_FILE,         /* indicate atomic file */
-       FI_DROP_CACHE,          /* drop dirty page cache */
        FI_DATA_EXIST,          /* indicate data exists */
        FI_INLINE_DOTS,         /* indicate inline dot dentries */
        FI_SKIP_WRITES,         /* should skip data page writeback */
@@ -3278,11 +3277,6 @@ static inline bool f2fs_is_cow_file(struct inode *inode)
        return is_inode_flag_set(inode, FI_COW_FILE);
 }
 
-static inline bool f2fs_is_drop_cache(struct inode *inode)
-{
-       return is_inode_flag_set(inode, FI_DROP_CACHE);
-}
-
 static inline void *inline_data_addr(struct inode *inode, struct page *page)
 {
        struct f2fs_inode *ri = F2FS_INODE(page);