And use it instead of opencoding in btrfs, f2fs and in fuse (coming up). Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx> Cc: Chris Mason <clm@xxxxxx> Cc: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/btrfs/ctree.h | 1 - fs/btrfs/inode.c | 15 --------------- fs/btrfs/tree-log.c | 4 ++-- fs/f2fs/node.c | 7 ++----- include/linux/fs.h | 1 + mm/filemap.c | 3 ++- 6 files changed, 7 insertions(+), 24 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 4274a7bfdaed..425834193259 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3129,7 +3129,6 @@ int btrfs_prealloc_file_range_trans(struct inode *inode, struct btrfs_trans_handle *trans, int mode, u64 start, u64 num_bytes, u64 min_size, loff_t actual_len, u64 *alloc_hint); -int btrfs_inode_check_errors(struct inode *inode); extern const struct dentry_operations btrfs_dentry_operations; #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS void btrfs_test_inode_set_ops(struct inode *inode); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4421954720b8..b22841625333 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -10489,21 +10489,6 @@ out_inode: } -/* Inspired by filemap_check_errors() */ -int btrfs_inode_check_errors(struct inode *inode) -{ - int ret = 0; - - if (test_bit(AS_ENOSPC, &inode->i_mapping->flags) && - test_and_clear_bit(AS_ENOSPC, &inode->i_mapping->flags)) - ret = -ENOSPC; - if (test_bit(AS_EIO, &inode->i_mapping->flags) && - test_and_clear_bit(AS_EIO, &inode->i_mapping->flags)) - ret = -EIO; - - return ret; -} - static const struct inode_operations btrfs_dir_inode_operations = { .getattr = btrfs_getattr, .lookup = btrfs_lookup, diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index c05f69a8ec42..3c29b9357392 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3944,7 +3944,7 @@ static int wait_ordered_extents(struct btrfs_trans_handle *trans, * i_mapping flags, so that the next fsync won't get * an outdated io error too. */ - btrfs_inode_check_errors(inode); + filemap_check_errors(inode->i_mapping); *ordered_io_error = true; break; } @@ -4181,7 +4181,7 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, * without writing to the log tree and the fsync must report the * file data write error and not commit the current transaction. */ - ret = btrfs_inode_check_errors(inode); + ret = filemap_check_errors(inode->i_mapping); if (ret) ctx->io_err = ret; process: diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 1f21aae80c40..fde0e47fb119 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1521,7 +1521,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) { pgoff_t index = 0, end = ULONG_MAX; struct pagevec pvec; - int ret2 = 0, ret = 0; + int ret2, ret = 0; pagevec_init(&pvec, 0); @@ -1550,10 +1550,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) cond_resched(); } - if (unlikely(test_and_clear_bit(AS_ENOSPC, &NODE_MAPPING(sbi)->flags))) - ret2 = -ENOSPC; - if (unlikely(test_and_clear_bit(AS_EIO, &NODE_MAPPING(sbi)->flags))) - ret2 = -EIO; + ret2 = filemap_check_errors(NODE_MAPPING(sbi)); if (!ret) ret = ret2; return ret; diff --git a/include/linux/fs.h b/include/linux/fs.h index dd288148a6b1..6f2536a3a916 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2507,6 +2507,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping, loff_t start, loff_t end, int sync_mode); extern int filemap_fdatawrite_range(struct address_space *mapping, loff_t start, loff_t end); +extern int filemap_check_errors(struct address_space *mapping); extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync); diff --git a/mm/filemap.c b/mm/filemap.c index 20f3b1f33f0e..6d92935dcf71 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -254,7 +254,7 @@ void delete_from_page_cache(struct page *page) } EXPORT_SYMBOL(delete_from_page_cache); -static int filemap_check_errors(struct address_space *mapping) +int filemap_check_errors(struct address_space *mapping) { int ret = 0; /* Check for outstanding write errors */ @@ -266,6 +266,7 @@ static int filemap_check_errors(struct address_space *mapping) ret = -EIO; return ret; } +EXPORT_SYMBOL(filemap_check_errors); /** * __filemap_fdatawrite_range - start writeback on mapping dirty pages in range -- 2.5.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>