diff options
| author | dzwdz | 2021-08-26 22:05:06 +0200 |
|---|---|---|
| committer | dzwdz | 2021-08-26 22:05:06 +0200 |
| commit | 0876ffb05e6973601ef1e930f1ed8d939666132a (patch) | |
| tree | 957f27d4027fa8549382a5d3a6b83a87316c3430 /src/kernel/vfs | |
| parent | 7e6034c601aa04f27eaa605fa2639804eeca8280 (diff) | |
separate mount resolving into vfs_mount_resolve
Diffstat (limited to 'src/kernel/vfs')
| -rw-r--r-- | src/kernel/vfs/mount.c | 13 | ||||
| -rw-r--r-- | src/kernel/vfs/mount.h | 3 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/kernel/vfs/mount.c b/src/kernel/vfs/mount.c index be33b6b..bf98957 100644 --- a/src/kernel/vfs/mount.c +++ b/src/kernel/vfs/mount.c @@ -1,4 +1,5 @@ #include <kernel/mem.h> +#include <kernel/util.h> #include <kernel/vfs/mount.h> struct vfs_mount *vfs_mount_seed(void) { @@ -13,3 +14,15 @@ struct vfs_mount *vfs_mount_seed(void) { }; return mount; } + +struct vfs_mount *vfs_mount_resolve( + struct vfs_mount *top, const char *path, size_t path_len) +{ + for (; top; top = top->prev) { + if (top->prefix_len > path_len) + continue; + if (memcmp(top->prefix, path, top->prefix_len) == 0) + break; + } + return top; +} diff --git a/src/kernel/vfs/mount.h b/src/kernel/vfs/mount.h index 982f951..51990a1 100644 --- a/src/kernel/vfs/mount.h +++ b/src/kernel/vfs/mount.h @@ -10,3 +10,6 @@ struct vfs_mount { // prepares init's filesystem view struct vfs_mount *vfs_mount_seed(void); +struct vfs_mount *vfs_mount_resolve( + struct vfs_mount *top, const char *path, size_t path_len); + |