From: Jaegeuk Kim Date: Tue, 29 Apr 2014 08:35:10 +0000 (+0900) Subject: f2fs: avoid grab_cache_page_write_begin for data pages X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=9ac1349ad7e57013d6aa171cb014ad4166a1b50c;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 273fe1631af9..91ff104b3849 100644 --- 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 8bf34f052f67..1bba5228c197 100644 --- 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;