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authorhannken <hannken@NetBSD.org>2003-10-15 11:28:59 +0000
committerhannken <hannken@NetBSD.org>2003-10-15 11:28:59 +0000
commita3a898ff0fc5ce3d892d5a2b7764d612b1253edd (patch)
tree3fead4de9cb0e170d29ff2ff73e5481248e9cb8f /sys/dev/ic
parent9f105a9400dd34be146e2210fab82bfaf5e8e100 (diff)
Add the gating of system calls that cause modifications to the underlying
file system. The function vfs_write_suspend stops all new write operations to a file system, allows any file system modifying system calls already in progress to complete, then sync's the file system to disk and returns. The function vfs_write_resume allows the suspended write operations to complete. From FreeBSD with slight modifications. Approved by: Frank van der Linden <fvdl@netbsd.org>
Diffstat (limited to 'sys/dev/ic')
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