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Differential D37885

vfs: add vn_getsize
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Authored by mjg on Dec 27 2022, 9:45 PM.
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rGf45feecfb27c: vfs: add vn_getsize
Summary

getattr is very expensive and in important cases only gets called to get the size. This can be optimized with a dedicated routine which obtains that statistic.

As a step towards there make size-only consumers use a dedicated routine.

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rG FreeBSD src repository
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PathSize
sys/
kern/
4 lines
30 lines
66 lines
sys/
2 lines
vm/
4 lines

Diff 114618

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sys/kern/kern_sendfile.c

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sys/kern/vfs_subr.c

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sys/kern/vfs_vnops.c

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sys/sys/vnode.h

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sys/vm/vnode_pager.c

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