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CVS commit: src/sys/fs/puffs

Module Name:    src
Committed By:   manu
Date:           Tue Jan 13 16:39:51 UTC 2015

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

Log Message:
Make sure reads on empty files reach PUFFS filesystems

Sending a read through the page cache will get the operation
short-circuited. This is a problem with some filesystems that
expect to receive the read operation in order to update atime.

We fix that by bypassing the page cache when reading a file
wich a size known to be zero.

To generate a diff of this commit:
cvs rdiff -u -r1.198 -r1.199 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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