KVM_GETVFSBYNAME(3) BSD Programmer's Manual KVM_GETVFSBYNAME(3)
k
\bkv
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\bet
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\bvf
\bfs
\bsb
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\byn
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\bam
\bme
\be - get information about a filesystem
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#
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\be <
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\bes
\bs.
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#
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\be <
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\bt.
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#
\b#i
\bin
\bnc
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\blu
\bud
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\be <
\b<k
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\bvm
\bm.
\b.h
\bh>
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k
\bkv
\bvm
\bm_
\b_g
\bge
\bet
\btv
\bvf
\bfs
\bsb
\bby
\byn
\bna
\bam
\bme
\be(_
\bc_
\bo_
\bn_
\bs_
\bt _
\bc_
\bh_
\ba_
\br _
\b*_
\bn_
\ba_
\bm_
\be, _
\bs_
\bt_
\br_
\bu_
\bc_
\bt _
\bv_
\bf_
\bs_
\bc_
\bo_
\bn_
\bf _
\b*_
\bv_
\bf_
\bc);
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\bDE
\bES
\bSC
\bCR
\bRI
\bIP
\bPT
\bTI
\bIO
\bON
\bN
The k
\bkv
\bvm
\bm_
\b_g
\bge
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\btv
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\bfs
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\bby
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\bna
\bam
\bme
\be() function provides access to information about a
filesystem module that is configured in the kernel. If successful, the
requested filesystem _
\bv_
\bf_
\bs_
\bc_
\bo_
\bn_
\bf is returned in the location pointed to by
v
\bvf
\bfc
\bc. The fields in a ``struct vfsconf'' are defined as follows:
vfc_name the name of the filesystem
vfc_index the filesystem type number assigned by the kernel
vfc_refcount the number of active mount points using the filesystem
vfc_flags flag bits that are used to initialize a new mount point us-
R
\bRE
\bET
\bTU
\bUR
\bRN
\bN V
\bVA
\bAL
\bLU
\bUE
\bES
\bS
If the call to g
\bge
\bet
\btv
\bvf
\bfs
\bsb
\bby
\byn
\bna
\bam
\bme
\be is successful, 0 is returned. Otherwise -1
is returned and _
\be_
\br_
\br_
\bn_
\bo is set appropriately.
The following errors may be reported:
[EFAULT] The _
\bv_
\bf_
\bc pointer contains an invalid address.
[ENOENT] The _
\bn_
\ba_
\bm_
\be specifies a filesystem that is unknown or not con-
S
\bSE
\bEE
\bE A
\bAL
\bLS
\bSO
\bO
sysctl(1), mount(2), sysctl(3), mount(8)
H
\bHI
\bIS
\bST
\bTO
\bOR
\bRY
\bY
A variant of the g
\bge
\bet
\btv
\bvf
\bfs
\bsb
\bby
\byn
\bna
\bam
\bme
\be() function first appeared in FreeBSD 2.0.
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