linux-stable.git/drivers/md/persistent-data/dm-space-map-common.c, branch v7.0

dm: Fix typo in error message

2024-11-20T10:38:04+00:00

Remove the redundant "i" at the beginning of the error message. This "i"
came from commit 1c1318866928 ("dm: prefer
'"%s...", __func__'"), the "i" is accidentally left.

Signed-off-by: Ssuhung Yeh 
Signed-off-by: Mikulas Patocka 
Fixes: 1c1318866928 ("dm: prefer '"%s...", __func__'")
Cc: stable@vger.kernel.org	# v6.3+

dm: Constify struct dm_block_validator

2024-07-19T10:08:15+00:00

'struct dm_block_validator' are not modified in these drivers.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig, as an example:

Before:
======
   text	   data	    bss	    dec	    hex	filename
  32047	    920	     16	  32983	   80d7	drivers/md/dm-cache-metadata.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  32075	    896	     16	  32987	   80db	drivers/md/dm-cache-metadata.o

Signed-off-by: Christophe JAILLET 
Signed-off-by: Mikulas Patocka

dm: avoid useless 'else' after 'break' or return'

2023-02-14T19:23:07+00:00

Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm: prefer '"%s...", func'

2023-02-14T19:23:07+00:00

Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm: add missing empty lines

2023-02-14T19:23:06+00:00

Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm: address indent/space issues

2023-02-14T19:23:06+00:00

Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm: change "unsigned" to "unsigned int"

2023-02-14T19:23:06+00:00

Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm: add missing SPDX-License-Indentifiers

2023-02-14T19:23:06+00:00

'GPL-2.0-only' is used instead of 'GPL-2.0' because SPDX has
deprecated its use.

Suggested-by: John Wiele 
Signed-off-by: Heinz Mauelshagen 
Signed-off-by: Mike Snitzer

dm space map common: add bounds check to sm_ll_lookup_bitmap()

2022-01-04T18:58:19+00:00

Corrupted metadata could warrant returning error from sm_ll_lookup_bitmap().

Signed-off-by: Joe Thornber 
Signed-off-by: Mike Snitzer

dm space map disk: cache a small number of index entries

2021-06-04T16:07:23+00:00

The disk space map stores it's index entries in a btree, these are
accessed very frequently, so having a few cached makes a big difference
to performance.

With this change provisioning a new block takes roughly 20% less cpu.

Signed-off-by: Joe Thornber 
Signed-off-by: Mike Snitzer