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| /openbmc/linux/fs/btrfs/ |
| H A D | ioctl.c | 49a3c4d9 Thu Mar 24 11:49:22 CDT 2016 David Sterba <dsterba@suse.com> btrfs: use dynamic allocation for root item in create_subvol
The size of root item is more than 400 bytes, which is quite a lot of
stack space. As we do IO from inside the subvolume ioctls, we should
keep the stack usage low in case the filesystem is on top of other
layers (NFS, device mapper, iscsi, etc).
Reviewed-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
49a3c4d9 Thu Mar 24 11:49:22 CDT 2016 David Sterba <dsterba@suse.com> btrfs: use dynamic allocation for root item in create_subvol
The size of root item is more than 400 bytes, which is quite a lot of
stack space. As we do IO from inside the subvolume ioctls, we should
keep the stack usage low in case the filesystem is on top of other
layers (NFS, device mapper, iscsi, etc).
Reviewed-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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