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util: Export virStorageFileSupportsBackingChainTraversal

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The function will be reused in the qemu snapshot code. The argument is
turned into const similarly to the other virStorageFileSupports*
functions.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-08-13 12:41:40 +02:00
parent 96f0a17ead
commit 68639829c6
3 changed files with 4 additions and 2 deletions
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1
src/libvirt_private.syms
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@ -2994,6 +2994,7 @@ virStorageFileReportBrokenChain;
virStorageFileResize;
virStorageFileStat;
virStorageFileSupportsAccess;
virStorageFileSupportsBackingChainTraversal;
virStorageFileSupportsCreate;
virStorageFileSupportsSecurityDriver;
virStorageFileUnlink;

4
src/util/virstoragefile.c
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@ -4450,8 +4450,8 @@ virStorageFileGetBackendForSupportCheck(const virStorageSource *src,
}
static int
virStorageFileSupportsBackingChainTraversal(virStorageSourcePtr src)
int
virStorageFileSupportsBackingChainTraversal(const virStorageSource *src)
{
virStorageFileBackendPtr backend;
int rv;

1
src/util/virstoragefile.h
View File

@ -533,6 +533,7 @@ int virStorageFileChown(const virStorageSource *src, uid_t uid, gid_t gid);
int virStorageFileSupportsSecurityDriver(const virStorageSource *src);
int virStorageFileSupportsAccess(const virStorageSource *src);
int virStorageFileSupportsCreate(const virStorageSource *src);
int virStorageFileSupportsBackingChainTraversal(const virStorageSource *src);
int virStorageFileGetMetadata(virStorageSourcePtr src,
uid_t uid, gid_t gid,