diff options
Diffstat (limited to 'src/VBox/Additions/linux/sharedfolders/utils.c')
| -rw-r--r-- | src/VBox/Additions/linux/sharedfolders/utils.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/VBox/Additions/linux/sharedfolders/utils.c b/src/VBox/Additions/linux/sharedfolders/utils.c index cb12d8337..22d5b01ad 100644 --- a/src/VBox/Additions/linux/sharedfolders/utils.c +++ b/src/VBox/Additions/linux/sharedfolders/utils.c @@ -18,6 +18,7 @@ */ #include "vfsmod.h" +#include <iprt/asm.h> #include <linux/nfs_fs.h> #include <linux/vfs.h> @@ -827,9 +828,13 @@ struct dentry_operations sf_dentry_ops = .d_revalidate = sf_dentry_revalidate }; -int sf_init_backing_dev(struct sf_glob_info *sf_g, const char *name) +int sf_init_backing_dev(struct sf_glob_info *sf_g) { int rc = 0; + /* Each new shared folder map gets a new uint64_t identifier, + * allocated in sequence. We ASSUME the sequence will not wrap. */ + static uint64_t s_u64Sequence = 0; + uint64_t u64CurrentSequence = ASMAtomicIncU64(&s_u64Sequence); #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) sf_g->bdi.ra_pages = 0; /* No readahead */ @@ -844,7 +849,8 @@ int sf_init_backing_dev(struct sf_glob_info *sf_g, const char *name) rc = bdi_init(&sf_g->bdi); # if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26) if (!rc) - rc = bdi_register(&sf_g->bdi, NULL, "vboxsf-%s", name); + rc = bdi_register(&sf_g->bdi, NULL, "vboxsf-%llu", + (unsigned long long)u64CurrentSequence); # endif /* >= 2.6.26 */ # endif /* >= 2.6.24 */ #endif /* >= 2.6.0 */ |