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CVS commit: src/sys/fs/puffs

Module Name:    src
Committed By:   manu
Date:           Wed Sep 21 15:36:33 UTC 2011

Modified Files:
        src/sys/fs/puffs: puffs_vfsops.c puffs_vnops.c

Log Message:
Make sure ioflush does not sleep in PUFFS code path, waiting for a mutex,
a memory allocation, or a response from the filesystem.

This avoids deadlocks in the following situations:
1) when memory is low: ioflush waits the fileystem, the fielsystem waits
   for memory
2) when the filesystem does not respond (e.g.: network outage ona
   distributed filesystem)

To generate a diff of this commit:
cvs rdiff -u -r1.96 -r1.97 src/sys/fs/puffs/puffs_vfsops.c
cvs rdiff -u -r1.155 -r1.156 src/sys/fs/puffs/puffs_vnops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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