From: Gu Zheng Date: Fri, 10 Jan 2014 10:09:02 +0000 (+0800) Subject: f2fs: move grabing orphan pages out of protection region X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4531929e3922;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git f2fs: move grabing orphan pages out of protection region Move grabing orphan block page out of protection region, and grab all the orphan block pages ahead. Signed-off-by: Gu Zheng Reviewed-by: Chao Yu [Jaegeuk Kim: remove unnecessary code pointed by Chao Yu] Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 0d78bbe79f98..fdc5a12c0edd 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -303,22 +303,25 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) { struct list_head *head; struct f2fs_orphan_block *orphan_blk = NULL; - struct page *page = NULL; unsigned int nentries = 0; - unsigned short index = 1; - unsigned short orphan_blocks; + unsigned short index; + unsigned short orphan_blocks = (unsigned short)((sbi->n_orphans + + (F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK); + struct page *page = NULL; + struct page *pages[orphan_blocks]; struct orphan_inode_entry *orphan = NULL; - orphan_blocks = (unsigned short)((sbi->n_orphans + - (F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK); + for (index = 0; index < orphan_blocks; index++) + pages[index] = grab_meta_page(sbi, start_blk + index); + index = 1; mutex_lock(&sbi->orphan_inode_mutex); head = &sbi->orphan_inode_list; /* loop for each orphan inode entry and write them in Jornal block */ list_for_each_entry(orphan, head, list) { if (!page) { - page = grab_meta_page(sbi, start_blk); + page = pages[index - 1]; orphan_blk = (struct f2fs_orphan_block *)page_address(page); memset(orphan_blk, 0, sizeof(*orphan_blk)); @@ -338,7 +341,6 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) set_page_dirty(page); f2fs_put_page(page, 1); index++; - start_blk++; nentries = 0; page = NULL; }