Searched hist:"5911 c8fe05c54c9f74a6467650e6493e4808cd01" (Results 1 – 3 of 3) sorted by relevance
| /openbmc/linux/fs/btrfs/ |
| H A D | backref.h | diff 5911c8fe05c54c9f74a6467650e6493e4808cd01 Wed May 15 08:31:04 CDT 2019 David Sterba <dsterba@suse.com> btrfs: fiemap: preallocate ulists for btrfs_check_shared
btrfs_check_shared looks up parents of a given extent and uses ulists
for that. These are allocated and freed repeatedly. Preallocation in the
caller will avoid the overhead and also allow us to use the GFP_KERNEL
as it is happens before the extent locks are taken.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
|
| H A D | backref.c | diff 5911c8fe05c54c9f74a6467650e6493e4808cd01 Wed May 15 08:31:04 CDT 2019 David Sterba <dsterba@suse.com> btrfs: fiemap: preallocate ulists for btrfs_check_shared
btrfs_check_shared looks up parents of a given extent and uses ulists
for that. These are allocated and freed repeatedly. Preallocation in the
caller will avoid the overhead and also allow us to use the GFP_KERNEL
as it is happens before the extent locks are taken.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
|
| H A D | extent_io.c | diff 5911c8fe05c54c9f74a6467650e6493e4808cd01 Wed May 15 08:31:04 CDT 2019 David Sterba <dsterba@suse.com> btrfs: fiemap: preallocate ulists for btrfs_check_shared
btrfs_check_shared looks up parents of a given extent and uses ulists
for that. These are allocated and freed repeatedly. Preallocation in the
caller will avoid the overhead and also allow us to use the GFP_KERNEL
as it is happens before the extent locks are taken.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
|