From b40971426a837e9dc9c66e1b6bbcb3874eafe4e0 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Mon, 10 Jan 2011 12:46:59 -0500 Subject: ext4: add error checking to calls to ext4_handle_dirty_metadata() Call ext4_std_error() in various places when we can't bail out cleanly, so the file system can be marked as in error. Signed-off-by: "Theodore Ts'o" --- fs/ext4/namei.c | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) (limited to 'fs/ext4/namei.c') diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 6dfc5b9de3e6..5485390d32c5 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1602,7 +1602,11 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry, if (err) goto journal_error; } - ext4_handle_dirty_metadata(handle, inode, frames[0].bh); + err = ext4_handle_dirty_metadata(handle, inode, frames[0].bh); + if (err) { + ext4_std_error(inode->i_sb, err); + goto cleanup; + } } de = do_split(handle, dir, &bh, frame, &hinfo, &err); if (!de) @@ -1630,7 +1634,7 @@ static int ext4_delete_entry(handle_t *handle, { struct ext4_dir_entry_2 *de, *pde; unsigned int blocksize = dir->i_sb->s_blocksize; - int i; + int i, err; i = 0; pde = NULL; @@ -1640,7 +1644,11 @@ static int ext4_delete_entry(handle_t *handle, return -EIO; if (de == de_del) { BUFFER_TRACE(bh, "get_write_access"); - ext4_journal_get_write_access(handle, bh); + err = ext4_journal_get_write_access(handle, bh); + if (unlikely(err)) { + ext4_std_error(dir->i_sb, err); + return err; + } if (pde) pde->rec_len = ext4_rec_len_to_disk( ext4_rec_len_from_disk(pde->rec_len, @@ -1652,7 +1660,11 @@ static int ext4_delete_entry(handle_t *handle, de->inode = 0; dir->i_version++; BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata"); - ext4_handle_dirty_metadata(handle, dir, bh); + err = ext4_handle_dirty_metadata(handle, dir, bh); + if (unlikely(err)) { + ext4_std_error(dir->i_sb, err); + return err; + } return 0; } i += ext4_rec_len_from_disk(de->rec_len, blocksize); @@ -2414,7 +2426,11 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, ext4_current_time(new_dir); ext4_mark_inode_dirty(handle, new_dir); BUFFER_TRACE(new_bh, "call ext4_handle_dirty_metadata"); - ext4_handle_dirty_metadata(handle, new_dir, new_bh); + retval = ext4_handle_dirty_metadata(handle, new_dir, new_bh); + if (unlikely(retval)) { + ext4_std_error(new_dir->i_sb, retval); + goto end_rename; + } brelse(new_bh); new_bh = NULL; } @@ -2466,7 +2482,11 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, PARENT_INO(dir_bh->b_data, new_dir->i_sb->s_blocksize) = cpu_to_le32(new_dir->i_ino); BUFFER_TRACE(dir_bh, "call ext4_handle_dirty_metadata"); - ext4_handle_dirty_metadata(handle, old_dir, dir_bh); + retval = ext4_handle_dirty_metadata(handle, old_dir, dir_bh); + if (retval) { + ext4_std_error(old_dir->i_sb, retval); + goto end_rename; + } ext4_dec_count(handle, old_dir); if (new_inode) { /* checked empty_dir above, can't have another parent, -- cgit v1.2.3