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fileobj/devobj: record path name (originally by Takagi-san)

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This commit is contained in:
Balazs Gerofi
2018-04-13 15:14:53 +09:00
parent 249bda4aef
commit f3d18eb9de
5 changed files with 87 additions and 4 deletions
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17
kernel/devobj.c
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@@ -136,6 +136,18 @@ int devobj_create(int fd, size_t len, off_t off, struct memobj **objp, int *maxp
obj->memobj.flags = MF_HAS_PAGER | MF_DEV_FILE;
obj->memobj.size = len;
obj->handle = result.handle;
dkprintf("%s: path=%s\n", __FUNCTION__, result.path);
if (result.path[0]) {
obj->memobj.path = kmalloc(PATH_MAX, IHK_MC_AP_NOWAIT);
if (!obj->memobj.path) {
error = -ENOMEM;
kprintf("%s: ERROR: Out of memory\n", __FUNCTION__);
goto out;
}
strncpy(obj->memobj.path, result.path, PATH_MAX);
}
obj->ref = 1;
obj->pfn_pgoff = off / PAGE_SIZE;
obj->npages = npages;
@@ -217,6 +229,11 @@ static void devobj_release(struct memobj *memobj)
ihk_mc_free_pages(obj->pfn_table, pfn_npages);
#endif /*POSTK_DEBUG_TEMP_FIX_36*/
}
if (to_memobj(free_obj)->path) {
kfree(to_memobj(free_obj)->path);
}
kfree(free_obj);
}