diff options
| author | Jaegeuk Kim | 2015-02-25 19:25:01 -0800 |
|---|---|---|
| committer | Jaegeuk Kim | 2015-04-10 15:08:26 -0700 |
| commit | 2bca1e2388a8a9e8a3db0daf54fcc124516a3e83 (patch) | |
| tree | e16f44f83f83a18ab3785f336812fb64d71a1023 | |
| parent | 3c64298579a1343cbdf3d2f17adf774a58546aae (diff) | |
f2fs: clear page's up-to-date if block was deallocated
If page's on-disk block was deallocated, let's remove up-to-date flag to avoid
further access with wrong contents.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/data.c | 6 | ||||
| -rw-r--r-- | fs/f2fs/dir.c | 1 | ||||
| -rw-r--r-- | fs/f2fs/node.c | 2 |
3 files changed, 8 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ae5c41444e8f..62e31b2aa131 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1259,8 +1259,10 @@ int do_write_data_page(struct page *page, struct f2fs_io_info *fio) fio->blk_addr = dn.data_blkaddr; /* This page is already truncated */ - if (fio->blk_addr == NULL_ADDR) + if (fio->blk_addr == NULL_ADDR) { + ClearPageUptodate(page); goto out_writepage; + } set_page_writeback(page); @@ -1355,6 +1357,8 @@ done: clear_cold_data(page); out: inode_dec_dirty_pages(inode); + if (err) + ClearPageUptodate(page); unlock_page(page); if (need_balance_fs) f2fs_balance_fs(sbi); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 583896cb5346..590aeef6f85e 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -682,6 +682,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, if (bit_pos == NR_DENTRY_IN_BLOCK) { truncate_hole(dir, page->index, page->index + 1); clear_page_dirty_for_io(page); + ClearPagePrivate(page); ClearPageUptodate(page); inode_dec_dirty_pages(dir); } diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 28423697e97a..35a911722d59 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1002,6 +1002,7 @@ static int read_node_page(struct page *page, int rw) get_node_info(sbi, page->index, &ni); if (unlikely(ni.blk_addr == NULL_ADDR)) { + ClearPageUptodate(page); f2fs_put_page(page, 1); return -ENOENT; } @@ -1313,6 +1314,7 @@ static int f2fs_write_node_page(struct page *page, /* This page is already truncated */ if (unlikely(ni.blk_addr == NULL_ADDR)) { + ClearPageUptodate(page); dec_page_count(sbi, F2FS_DIRTY_NODES); unlock_page(page); return 0; |