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share/man/man9/vnode_pager_purge_range.9
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| .\" | |||||
kib: I think there are some problems with the diff generation. | |||||
| .\" SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
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| .\" Copyright (c) 2021 The FreeBSD Foundation | |||||
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| .\" Redistribution and use in source and binary forms, with or without | |||||
Done Inline ActionsYou still have same issues with generating the patch. kib: You still have same issues with generating the patch. | |||||
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| .Dd January 26, 2021 | |||||
| .Dt VNODE_PAGER_PURGE_RANGE 9 | |||||
| .Os | |||||
| .Sh NAME | |||||
| .Nm vnode_pager_purge_range | |||||
| .Nd "invalidate the content of the given range in bytes from cache" | |||||
| .Sh SYNOPSIS | |||||
| .In vm/vm_extern.h | |||||
| .Ft void | |||||
| .Fn vnode_pager_purge_range "struct vnode *vp" "vm_ooffset_t startoff" "vm_ooffset_t endoff" | |||||
| .Sh DESCRIPTION | |||||
| .Nm | |||||
| invalidates content of the cache covered by the given range from the | |||||
| specified vnode | |||||
| .Fa vp . | |||||
| The range to be purged is | |||||
| .Eo [ | |||||
| .Fa startoff , endoff | |||||
| .Ec ) . | |||||
| Affected pages within the specified range will be tossed away. | |||||
| .Sh IMPLEMENTATION NOTES | |||||
| Within the specified range, | |||||
| in case | |||||
| .Fa startoff | |||||
| or | |||||
| .Fa endoff | |||||
| is not aligned to page boundaries, | |||||
| partial-page area will be zeroed. | |||||
| In partial-page area, | |||||
| for content occupying whole blocks within block | |||||
| boundaries, | |||||
| the dirty bits for the corresponding blocks will be cleared. | |||||
| .Sh LOCKING | |||||
| Writer lock of the VM object of | |||||
| .Fa vp | |||||
| will be held within the function. | |||||
| .Sh SEE ALSO | |||||
| .Xr vnode 9 | |||||
| .Sh HISTORY | |||||
| The | |||||
| .Nm | |||||
| manual page first appeared in | |||||
| .Fx 14 . | |||||
| .Sh AUTHORS | |||||
| This | |||||
| manual page was written by | |||||
| .An Ka Ho Ng Aq Mt khng@freebsdfoundation.org . | |||||
I think there are some problems with the diff generation.