Re: [PATCH] tmpfs: Restore functionality of nr_inodes=0

[Chris Down]

Byron Stanoszek writes:
> Commit e809d5f0b5c9 ("tmpfs: per-superblock i_ino support") made changes to
> shmem_reserve_inode() in mm/shmem.c, however the original test for
> (sbinfo->max_inodes) got dropped. This causes mounting tmpfs with option
> nr_inodes=0 to fail:
>
>  # mount -ttmpfs -onr_inodes=0 none /ext0
>  mount: /ext0: mount(2) system call failed: Cannot allocate memory.
>
> This patch restores the nr_inodes=0 functionality.
>
> Fixes: e809d5f0b5c9 ("tmpfs: per-superblock i_ino support")
> Cc: Chris Down <chris@xxxxxxxxxxxxxx>
> Signed-off-by: Byron Stanoszek <gandalf@xxxxxxxxx>

Acked-by: Chris Down <chris@xxxxxxxxxxxxxx>

Thanks, good catch.