f2fs: avoid grab_cache_page_write_begin for data pages

We don't need to wait on page writeback for these cases.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 273fe1631af9b67cf388e27a4da7f85507518a65..91ff104b38492b97448f2f8d98f53e62adffbd7c 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -417,7 +417,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index, bool sync)
        if (unlikely(dn.data_blkaddr == NEW_ADDR))
                return ERR_PTR(-EINVAL);
 
-       page = grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
+       page = grab_cache_page(mapping, index);
        if (!page)
                return ERR_PTR(-ENOMEM);
 
@@ -455,7 +455,7 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index)
        int err;
 
 repeat:
-       page = grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
+       page = grab_cache_page(mapping, index);
        if (!page)
                return ERR_PTR(-ENOMEM);
 

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 8bf34f052f67a40971aa907429c205b655307918..1bba5228c197443eb3a8ec893ab84d09462525e4 100644 (file)
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -95,6 +95,7 @@ static int __f2fs_convert_inline_data(struct inode *inode, struct page *page)
        if (err)
                goto out;
 
+       f2fs_wait_on_page_writeback(page, DATA);
        zero_user_segment(page, MAX_INLINE_DATA, PAGE_CACHE_SIZE);
 
        /* Copy the whole inline data block */
@@ -133,7 +134,7 @@ int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size)
        else if (to_size <= MAX_INLINE_DATA)
                return 0;
 
-       page = grab_cache_page_write_begin(inode->i_mapping, 0, AOP_FLAG_NOFS);
+       page = grab_cache_page(inode->i_mapping, 0);
        if (!page)
                return -ENOMEM;