fba63dddeb
File systems that do not use the buffer cache (such as ZFS) must use VOP_FSYNC() to perform the NFS server's Commit operation. This patch adds a mnt_kern_flag called MNTK_USES_BCACHE which is set by file systems that use the buffer cache. If this flag is not set, the NFS server always does a VOP_FSYNC(). This should be ok for old file system modules that do not set MNTK_USES_BCACHE, since calling VOP_FSYNC() is correct, although it might not be optimal for file systems that use the buffer cache. |
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null_subr.c | ||
null_vfsops.c | ||
null_vnops.c | ||
null.h |