staging: lustre: improve API and implementation of blocking signals.

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According to comment for set_current_blocked() in
kernel/signal.c, changing ->blocked directly is wrong.
sigprocmask() should be called instead.

So change cfs_block_sigsinv() and cfs_restore_sigs()
to use sigprocmask().
For consistency, change them to pass the sigset_t by reference
rather than by value.

Also fix cfs_block_sigsinv() so that it correctly blocks
signals above 32 on a 32bit host.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

NeilBrown 2018-02-20 13:23:37 +11:00 • committed by Greg Kroah-Hartman

parent 99c1ffc99a

commit 84e07b9d0a

4 changed files with 22 additions and 32 deletions

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4

drivers/staging/lustre/include/linux/libcfs/libcfs.h

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24

drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c

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18

drivers/staging/lustre/lustre/include/lustre_lib.h

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8

drivers/staging/lustre/lustre/llite/llite_mmap.c

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