From 6283d58e7464f82b1c1c33943f0bd51c1e83899a Mon Sep 17 00:00:00 2001 From: Qu Fuping Date: Sat, 25 Jun 2005 14:55:44 -0700 Subject: [PATCH] reiserfs: do not ignore i/io error on readpage Reiserfs's readpage does not notice i/o errors. This patch makes reiserfs_readpage to return -EIO when i/o error appears. This patch makes reiserfs to not ignore I/O error on readpage. Signed-off-by: Qu Fuping Signed-off-by: Vladimir V. Saveliev Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/reiserfs/inode.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'fs/reiserfs/inode.c') diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 0d5817f8197..289d864fe73 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -254,6 +254,7 @@ static int _get_block_create_0 (struct inode * inode, long block, char * p = NULL; int chars; int ret ; + int result ; int done = 0 ; unsigned long offset ; @@ -262,10 +263,13 @@ static int _get_block_create_0 (struct inode * inode, long block, (loff_t)block * inode->i_sb->s_blocksize + 1, TYPE_ANY, 3); research: - if (search_for_position_by_key (inode->i_sb, &key, &path) != POSITION_FOUND) { + result = search_for_position_by_key (inode->i_sb, &key, &path) ; + if (result != POSITION_FOUND) { pathrelse (&path); if (p) kunmap(bh_result->b_page) ; + if (result == IO_ERROR) + return -EIO; // We do not return -ENOENT if there is a hole but page is uptodate, because it means // That there is some MMAPED data associated with it that is yet to be written to disk. if ((args & GET_BLOCK_NO_HOLE) && !PageUptodate(bh_result->b_page) ) { @@ -382,8 +386,9 @@ research: // update key to look for the next piece set_cpu_key_k_offset (&key, cpu_key_k_offset (&key) + chars); - if (search_for_position_by_key (inode->i_sb, &key, &path) != POSITION_FOUND) - // we read something from tail, even if now we got IO_ERROR + result = search_for_position_by_key (inode->i_sb, &key, &path); + if (result != POSITION_FOUND) + // i/o error most likely break; bh = get_last_bh (&path); ih = get_ih (&path); @@ -394,6 +399,10 @@ research: finished: pathrelse (&path); + + if (result == IO_ERROR) + return -EIO; + /* this buffer has valid data, but isn't valid for io. mapping it to * block #0 tells the rest of reiserfs it just has a tail in it */ -- cgit v1.2.3