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| author | Ingo Molnar <mingo@kernel.org> | 2020-05-28 08:58:12 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-05-28 08:58:12 +0300 |
| commit | 0bffedbce90818228f554651baf8d7c75f2876d8 (patch) | |
| tree | 96101208e0200c70c6688737ac6596bdd0ed2950 /Documentation/admin-guide | |
| parent | c50c75e9b87946499a62bffc021e95c87a1d57cd (diff) | |
| parent | 9cb1fd0efd195590b828b9b865421ad345a4a145 (diff) | |
| download | linux-0bffedbce90818228f554651baf8d7c75f2876d8.tar.xz | |
Merge tag 'v5.7-rc7' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/device-mapper/dm-integrity.rst | 15 | ||||
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 3 |
2 files changed, 10 insertions, 8 deletions
diff --git a/Documentation/admin-guide/device-mapper/dm-integrity.rst b/Documentation/admin-guide/device-mapper/dm-integrity.rst index c00f9f11e3f3..8439d2ae689b 100644 --- a/Documentation/admin-guide/device-mapper/dm-integrity.rst +++ b/Documentation/admin-guide/device-mapper/dm-integrity.rst @@ -182,12 +182,15 @@ fix_padding space-efficient. If this option is not present, large padding is used - that is for compatibility with older kernels. - -The journal mode (D/J), buffer_sectors, journal_watermark, commit_time can -be changed when reloading the target (load an inactive table and swap the -tables with suspend and resume). The other arguments should not be changed -when reloading the target because the layout of disk data depend on them -and the reloaded target would be non-functional. +allow_discards + Allow block discard requests (a.k.a. TRIM) for the integrity device. + Discards are only allowed to devices using internal hash. + +The journal mode (D/J), buffer_sectors, journal_watermark, commit_time and +allow_discards can be changed when reloading the target (load an inactive +table and swap the tables with suspend and resume). The other arguments +should not be changed when reloading the target because the layout of disk +data depend on them and the reloaded target would be non-functional. The layout of the formatted block device: diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f2a93c8679e8..7bc83f3d9bdf 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5187,8 +5187,7 @@ usbcore.old_scheme_first= [USB] Start with the old device initialization - scheme, applies only to low and full-speed devices - (default 0 = off). + scheme (default 0 = off). usbcore.usbfs_memory_mb= [USB] Memory limit (in MB) for buffers allocated by |