diff options
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 594e6e20d6dd..b768f495603e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -310,13 +310,13 @@ static pgoff_t __get_first_dirty_index(struct address_space *mapping, return pgofs; } -static bool __found_offset(block_t blkaddr, pgoff_t dirty, pgoff_t pgofs, - int whence) +static bool __found_offset(struct f2fs_sb_info *sbi, block_t blkaddr, + pgoff_t dirty, pgoff_t pgofs, int whence) { switch (whence) { case SEEK_DATA: if ((blkaddr == NEW_ADDR && dirty == pgofs) || - (blkaddr != NEW_ADDR && blkaddr != NULL_ADDR)) + is_valid_data_blkaddr(sbi, blkaddr)) return true; break; case SEEK_HOLE: @@ -378,7 +378,15 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) block_t blkaddr; blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node); - if (__found_offset(blkaddr, dirty, pgofs, whence)) { + if (__is_valid_data_blkaddr(blkaddr) && + !f2fs_is_valid_blkaddr(F2FS_I_SB(inode), + blkaddr, DATA_GENERIC)) { + f2fs_put_dnode(&dn); + goto fail; + } + + if (__found_offset(F2FS_I_SB(inode), blkaddr, dirty, + pgofs, whence)) { f2fs_put_dnode(&dn); goto found; } @@ -481,6 +489,11 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count) dn->data_blkaddr = NULL_ADDR; set_data_blkaddr(dn); + + if (__is_valid_data_blkaddr(blkaddr) && + !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC)) + continue; + invalidate_blocks(sbi, blkaddr); if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page)) clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN); |