Messages in this thread | | | Date | Sat, 4 May 2013 19:58:57 +0100 | From | Al Viro <> | Subject | Re: [PATCH v2] fs: Fix hang with BSD accounting on frozen filesystem |
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On Sat, May 04, 2013 at 12:11:23AM +0200, Jan Kara wrote: > When BSD process accounting is enabled and logs information to a > filesystem which gets frozen, system easily becomes unusable because > each attempt to account process information blocks. Thus e.g. every task > gets blocked in exit. > > It seems better to drop accounting information (which can already happen > when filesystem is running out of space) instead of locking system up. > So we just skip the write if the filesystem is frozen.
Applied, with one modification - file_start_write_trylock() added and used instead of sb_start_write_trylock()
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