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authorFilipe Manana <fdmanana@suse.com>2018-12-13 21:16:56 +0000
committerDavid Sterba <dsterba@suse.com>2019-02-25 14:13:17 +0100
commita0873490660246db587849a9e172f2b7b21fa88a (patch)
treeff19cf14a965fd30576f37ced859a19856d0f79a /fs/btrfs/inode.c
parentb89f6d1fcb30a8cbdc18ce00c7d93792076af453 (diff)
downloadlwn-a0873490660246db587849a9e172f2b7b21fa88a.tar.gz
lwn-a0873490660246db587849a9e172f2b7b21fa88a.zip
Btrfs: setup a nofs context for memory allocation at __btrfs_set_acl
We are holding a transaction handle when setting an acl, therefore we can not allocate the xattr value buffer using GFP_KERNEL, as we could deadlock if reclaim is triggered by the allocation, therefore setup a nofs context. Fixes: 39a27ec1004e8 ("btrfs: use GFP_KERNEL for xattr and acl allocations") CC: stable@vger.kernel.org # 4.9+ Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/inode.c')
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