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| author | Chao Yu <chao2.yu@samsung.com> | 2015-02-05 10:44:29 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-02-12 02:04:44 +0100 |
| commit | 487261f39bcd8983f55c611e299f70f34659674b (patch) | |
| tree | ce3b804b5fe36470bfc782e707b9215c7e5e13ea /fs/f2fs/data.c | |
| parent | f2fs: show the number of writeback pages in stat (diff) | |
| download | linux-487261f39bcd8983f55c611e299f70f34659674b.tar.xz linux-487261f39bcd8983f55c611e299f70f34659674b.zip | |
f2fs: merge {invalidate,release}page for meta/node/data pages
This patch merges ->{invalidate,release}page function for meta/node/data pages.
After this, duplication of codes could be removed.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 27dc3fd9fb60..d166557ca867 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1115,20 +1115,28 @@ static ssize_t f2fs_direct_IO(int rw, struct kiocb *iocb, return err; } -static void f2fs_invalidate_data_page(struct page *page, unsigned int offset, - unsigned int length) +void f2fs_invalidate_page(struct page *page, unsigned int offset, + unsigned int length) { struct inode *inode = page->mapping->host; + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); - if (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE) + if (inode->i_ino >= F2FS_ROOT_INO(sbi) && + (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE)) return; - if (PageDirty(page)) - inode_dec_dirty_pages(inode); + if (PageDirty(page)) { + if (inode->i_ino == F2FS_META_INO(sbi)) + dec_page_count(sbi, F2FS_DIRTY_META); + else if (inode->i_ino == F2FS_NODE_INO(sbi)) + dec_page_count(sbi, F2FS_DIRTY_NODES); + else + inode_dec_dirty_pages(inode); + } ClearPagePrivate(page); } -static int f2fs_release_data_page(struct page *page, gfp_t wait) +int f2fs_release_page(struct page *page, gfp_t wait) { /* If this is dirty page, keep PagePrivate */ if (PageDirty(page)) @@ -1183,8 +1191,8 @@ const struct address_space_operations f2fs_dblock_aops = { .write_begin = f2fs_write_begin, .write_end = f2fs_write_end, .set_page_dirty = f2fs_set_data_page_dirty, - .invalidatepage = f2fs_invalidate_data_page, - .releasepage = f2fs_release_data_page, + .invalidatepage = f2fs_invalidate_page, + .releasepage = f2fs_release_page, .direct_IO = f2fs_direct_IO, .bmap = f2fs_bmap, }; |