pipe: Advance tail pointer inside of wait spinlock in pipe_read()

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Advance the pipe ring tail pointer inside of wait spinlock in pipe_read()
so that the pipe can be written into with kernel notifications from
contexts where pipe->mutex cannot be taken.

Signed-off-by: David Howells <dhowells@redhat.com>

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David Howells 2019-09-24 16:09:04 +01:00

parent 6718b6f855

commit b667b86734

1 changed files with 7 additions and 1 deletions

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fs/pipe.c

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