It will be better to use ENOMEM rather than EIO, because the only
reason that sb_getblk fails is that allocation fails.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Jan Kara <jack@suse.cz>
struct buffer_head *bh;
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (unlikely(!bh)) {
struct buffer_head *bh;
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (unlikely(!bh)) {
goto err;
}
if (buffer_new(&dummy)) {
goto err;
}
if (buffer_new(&dummy)) {
"unable to read inode block - "
"inode=%lu, block="E3FSBLK,
inode->i_ino, block);
"unable to read inode block - "
"inode=%lu, block="E3FSBLK,
inode->i_ino, block);
}
if (!buffer_uptodate(bh)) {
lock_buffer(bh);
}
if (!buffer_uptodate(bh)) {
lock_buffer(bh);
bh = sb_getblk(sb, blk);
if (unlikely(!bh))
bh = sb_getblk(sb, blk);
if (unlikely(!bh))
+ return ERR_PTR(-ENOMEM);
if ((err = ext3_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
if ((err = ext3_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
gdb = sb_getblk(sb, block);
if (unlikely(!gdb)) {
gdb = sb_getblk(sb, block);
if (unlikely(!gdb)) {
goto exit_bh;
}
if ((err = ext3_journal_get_write_access(handle, gdb))) {
goto exit_bh;
}
if ((err = ext3_journal_get_write_access(handle, gdb))) {
bh = sb_getblk(sb, group * bpg + blk_off);
if (unlikely(!bh)) {
bh = sb_getblk(sb, group * bpg + blk_off);
if (unlikely(!bh)) {
break;
}
ext3_debug("update metadata backup %#04lx\n",
break;
}
ext3_debug("update metadata backup %#04lx\n",
if (unlikely(!new_bh)) {
getblk_failed:
ext3_free_blocks(handle, inode, block, 1);
if (unlikely(!new_bh)) {
getblk_failed:
ext3_free_blocks(handle, inode, block, 1);
goto cleanup;
}
lock_buffer(new_bh);
goto cleanup;
}
lock_buffer(new_bh);