[lustre-devel] [PATCH 20/22] ext4: use GFP_NOFS in ext4_inode_attach_jinode

[NeilBrown]

On Sun, Jul 21 2019, James Simmons wrote:

If you need to call this from a context where GFP_KERNEL is not safe,
use memalloc_nofs_{save,restore}().

NeilBrown



> Signed-off-by: James Simmons <jsimmons at infradead.org>
> ---
>  fs/ext4/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index bf00dfc..ca72097 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -4422,7 +4422,7 @@ int ext4_inode_attach_jinode(struct inode *inode)
>  	if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal)
>  		return 0;
>  
> -	jinode = jbd2_alloc_inode(GFP_KERNEL);
> +	jinode = jbd2_alloc_inode(GFP_NOFS);
>  	spin_lock(&inode->i_lock);
>  	if (!ei->jinode) {
>  		if (!jinode) {
> -- 
> 1.8.3.1
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