4eb5a7d9ee
If B_NOCACHE is set the pages of vm backed buffers will be invalidated. However clean buffers can be backed by dirty VM pages so invalidating them can lead to data loss. Add support for flush dirty page in the data invalidation function of some network file systems. This fixes data losses during vnode recycling (and other code paths using invalbuf(*,V_SAVE,*,*)) for data written using an mmaped file. Collaborative effort by: jhb@,mohans@,peter@,ps@,ups@ Reviewed by: tegge@ MFC after: 7 days |
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smbfs_io.c | ||
smbfs_node.c | ||
smbfs_node.h | ||
smbfs_smb.c | ||
smbfs_subr.c | ||
smbfs_subr.h | ||
smbfs_vfsops.c | ||
smbfs_vnops.c | ||
smbfs.h |