Re: [PATCH] Btrfs: add a check of whether fs_info->fs_root is NULL in btrfs_async_reclaim_metadata_space()

2015-10-21 Thread Tsutomu Itoh
On 2015/10/21 20:27, David Sterba wrote: On Wed, Oct 21, 2015 at 04:20:00PM +0900, Tsutomu Itoh wrote: Kernel panic occurred due to NULL pointer reference in can_overcommit(). Because btrfs_async_reclaim_metadata_space() passed NULL pointer to btrfs_calc_reclaim_metadata_size().

[PATCH] Btrfs: add a check of whether fs_info->fs_root is NULL in btrfs_async_reclaim_metadata_space()

2015-10-21 Thread Tsutomu Itoh
Kernel panic occurred due to NULL pointer reference in can_overcommit(). Because btrfs_async_reclaim_metadata_space() passed NULL pointer to btrfs_calc_reclaim_metadata_size(). [ 3756.152833] BUG: unable to handle kernel NULL pointer

Re: [PATCH] Btrfs: add a check of whether fs_info->fs_root is NULL in btrfs_async_reclaim_metadata_space()

2015-10-21 Thread David Sterba
On Wed, Oct 21, 2015 at 04:20:00PM +0900, Tsutomu Itoh wrote: > Kernel panic occurred due to NULL pointer reference in can_overcommit(). > Because btrfs_async_reclaim_metadata_space() passed NULL pointer to > btrfs_calc_reclaim_metadata_size(). > fs_info->fs_root is referred in