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(parent: 90daad7) | patch
fusefs: fix panic when writing with O_DIRECT and using writeback cache
authorasomers <asomers@FreeBSD.org>
Sun, 28 Jul 2019 15:17:32 +0000 (15:17 +0000)
committerasomers <asomers@FreeBSD.org>
Sun, 28 Jul 2019 15:17:32 +0000 (15:17 +0000)
commit10eed53afb84b5b9920768cc102c0caeab5c4df0
tree15f608a5f2bcdd8f4a00ba182e3d47fd6d2fec2dtree | snapshot
parent90daad70316ee4bed2f8efdcec2898032d6bbb71commit | diff
fusefs: fix panic when writing with O_DIRECT and using writeback cache

When a fusefs file system is mounted using the writeback cache, the cache
may still be bypassed by opening a file with O_DIRECT.  When writing with
O_DIRECT, the cache must be invalidated for the affected portion of the
file.  Fix some panics caused by inadvertently invalidating too much.

Sponsored by: The FreeBSD Foundation
sys/fs/fuse/fuse_io.c diff | blob | history
tests/sys/fs/fusefs/write.cc diff | blob | history
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