Commit b7b69c7e authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
  nilfs2: fix missing cleanup of gc cache on error cases
  nilfs2: fix kernel oops in error case of nilfs_ioctl_move_blocks
parents 1ce55238 c083234f
......@@ -297,7 +297,18 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode,
(unsigned long long)vdesc->vd_vblocknr);
return ret;
}
bh->b_private = vdesc;
if (unlikely(!list_empty(&bh->b_assoc_buffers))) {
printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, "
"cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n",
__func__, vdesc->vd_flags ? "node" : "data",
(unsigned long long)vdesc->vd_ino,
(unsigned long long)vdesc->vd_cno,
(unsigned long long)vdesc->vd_offset,
(unsigned long long)vdesc->vd_blocknr,
(unsigned long long)vdesc->vd_vblocknr);
brelse(bh);
return -EEXIST;
}
list_add_tail(&bh->b_assoc_buffers, buffers);
return 0;
}
......@@ -335,24 +346,10 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
ret = nilfs_gccache_wait_and_mark_dirty(bh);
if (unlikely(ret < 0)) {
if (ret == -EEXIST) {
vdesc = bh->b_private;
printk(KERN_CRIT
"%s: conflicting %s buffer: "
"ino=%llu, cno=%llu, offset=%llu, "
"blocknr=%llu, vblocknr=%llu\n",
__func__,
vdesc->vd_flags ? "node" : "data",
(unsigned long long)vdesc->vd_ino,
(unsigned long long)vdesc->vd_cno,
(unsigned long long)vdesc->vd_offset,
(unsigned long long)vdesc->vd_blocknr,
(unsigned long long)vdesc->vd_vblocknr);
}
WARN_ON(ret == -EEXIST);
goto failed;
}
list_del_init(&bh->b_assoc_buffers);
bh->b_private = NULL;
brelse(bh);
}
return nmembs;
......@@ -360,7 +357,6 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
failed:
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
list_del_init(&bh->b_assoc_buffers);
bh->b_private = NULL;
brelse(bh);
}
return ret;
......@@ -471,7 +467,6 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
return 0;
failed:
nilfs_remove_all_gcinode(nilfs);
printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n",
msg, ret);
return ret;
......@@ -560,6 +555,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
else
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
if (ret < 0)
nilfs_remove_all_gcinode(nilfs);
clear_nilfs_gc_running(nilfs);
out_free:
......
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