diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-04-03 07:38:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-04-03 07:38:49 +0000 |
commit | a10a53dd934a67693d068bba16e635ddabcdabe2 (patch) | |
tree | 262c2fe9621c7903046080bc3fe9812b423c0dda /src/nvme/tree.c | |
parent | Adding upstream version 1.3. (diff) | |
download | libnvme-upstream/1.4.tar.xz libnvme-upstream/1.4.zip |
Adding upstream version 1.4.upstream/1.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/nvme/tree.c')
-rw-r--r-- | src/nvme/tree.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/src/nvme/tree.c b/src/nvme/tree.c index 18826bf..3484463 100644 --- a/src/nvme/tree.c +++ b/src/nvme/tree.c @@ -363,6 +363,7 @@ static void __nvme_free_ns(struct nvme_ns *n) /* Stub for SWIG */ void nvme_free_ns(struct nvme_ns *n) { + __nvme_free_ns(n); } static void __nvme_free_subsystem(struct nvme_subsystem *s) @@ -459,6 +460,7 @@ static void __nvme_free_host(struct nvme_host *h) /* Stub for SWIG */ void nvme_free_host(struct nvme_host *h) { + __nvme_free_host(h); } struct nvme_host *nvme_lookup_host(nvme_root_t r, const char *hostnqn, @@ -1862,27 +1864,62 @@ free_ns: return NULL; } +static inline bool nvme_ns_is_generic(const char *name) +{ + int instance, head_instance; + + if (sscanf(name, "ng%dn%d", &instance, &head_instance) != 2) + return false; + return true; +} + +static char *nvme_ns_generic_to_blkdev(const char *generic) +{ + + int instance, head_instance; + char blkdev[PATH_MAX]; + + if (!nvme_ns_is_generic(generic)) + return strdup(generic); + + sscanf(generic, "ng%dn%d", &instance, &head_instance); + sprintf(blkdev, "nvme%dn%d", instance, head_instance); + + return strdup(blkdev); +} + static struct nvme_ns *__nvme_scan_namespace(const char *sysfs_dir, const char *name) { struct nvme_ns *n; char *path; int ret; + char *blkdev; - ret = asprintf(&path, "%s/%s", sysfs_dir, name); - if (ret < 0) { + blkdev = nvme_ns_generic_to_blkdev(name); + if (!blkdev) { errno = ENOMEM; return NULL; } - n = nvme_ns_open(name); + ret = asprintf(&path, "%s/%s", sysfs_dir, blkdev); + if (ret < 0) { + errno = ENOMEM; + goto free_blkdev; + } + + n = nvme_ns_open(blkdev); if (!n) goto free_path; n->sysfs_dir = path; + + free(blkdev); return n; free_path: free(path); +free_blkdev: + free(blkdev); return NULL; } |