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storage: Implement virStorageFileCreate for local and gluster files

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Add backends for this frontend function so that we can use it in the
snapshot creation code.
This commit is contained in:
Peter Krempa 2014-06-30 15:05:07 +02:00
parent 24e5cafba6
commit a2a67eff18
2 changed files with 32 additions and 0 deletions
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17
src/storage/storage_backend_fs.c
View File

@ -1386,6 +1386,22 @@ virStorageFileBackendFileInit(virStorageSourcePtr src)
} }
static int
virStorageFileBackendFileCreate(virStorageSourcePtr src)
{
int fd = -1;
if ((fd = virFileOpenAs(src->path, O_WRONLY | O_TRUNC | O_CREAT, 0,
src->drv->uid, src->drv->gid, 0)) < 0) {
errno = -fd;
return -1;
}
VIR_FORCE_CLOSE(fd);
return 0;
}
static int static int
virStorageFileBackendFileUnlink(virStorageSourcePtr src) virStorageFileBackendFileUnlink(virStorageSourcePtr src)
{ {
@ -1470,6 +1486,7 @@ virStorageFileBackend virStorageFileBackendFile = {
.backendInit = virStorageFileBackendFileInit, .backendInit = virStorageFileBackendFileInit,
.backendDeinit = virStorageFileBackendFileDeinit, .backendDeinit = virStorageFileBackendFileDeinit,
.storageFileCreate = virStorageFileBackendFileCreate,
.storageFileUnlink = virStorageFileBackendFileUnlink, .storageFileUnlink = virStorageFileBackendFileUnlink,
.storageFileStat = virStorageFileBackendFileStat, .storageFileStat = virStorageFileBackendFileStat,
.storageFileReadHeader = virStorageFileBackendFileReadHeader, .storageFileReadHeader = virStorageFileBackendFileReadHeader,

15
src/storage/storage_backend_gluster.c
View File

@ -633,6 +633,20 @@ virStorageFileBackendGlusterInit(virStorageSourcePtr src)
} }
static int
virStorageFileBackendGlusterCreate(virStorageSourcePtr src)
{
virStorageFileBackendGlusterPrivPtr priv = src->drv->priv;
glfs_fd_t *fd = NULL;
if (!(fd = glfs_open(priv->vol, src->path, O_CREAT | O_TRUNC | O_WRONLY)))
return -1;
ignore_value(glfs_close(fd));
return 0;
}
static int static int
virStorageFileBackendGlusterUnlink(virStorageSourcePtr src) virStorageFileBackendGlusterUnlink(virStorageSourcePtr src)
{ {
@ -780,6 +794,7 @@ virStorageFileBackend virStorageFileBackendGluster = {
.backendInit = virStorageFileBackendGlusterInit, .backendInit = virStorageFileBackendGlusterInit,
.backendDeinit = virStorageFileBackendGlusterDeinit, .backendDeinit = virStorageFileBackendGlusterDeinit,
.storageFileCreate = virStorageFileBackendGlusterCreate,
.storageFileUnlink = virStorageFileBackendGlusterUnlink, .storageFileUnlink = virStorageFileBackendGlusterUnlink,
.storageFileStat = virStorageFileBackendGlusterStat, .storageFileStat = virStorageFileBackendGlusterStat,
.storageFileReadHeader = virStorageFileBackendGlusterReadHeader, .storageFileReadHeader = virStorageFileBackendGlusterReadHeader,