X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/61a1daa59589212608039e2734009870818bacd3..290981180b9abc454e017271a8ebe75478c00e86:/lunaix-os/kernel/fs/mount.c?ds=sidebyside diff --git a/lunaix-os/kernel/fs/mount.c b/lunaix-os/kernel/fs/mount.c index 38258ee..ca80238 100644 --- a/lunaix-os/kernel/fs/mount.c +++ b/lunaix-os/kernel/fs/mount.c @@ -2,9 +2,10 @@ #include #include #include +#include #include -static struct llist_header all_mnts = { .next = &all_mnts, .prev = &all_mnts }; +struct llist_header all_mnts = { .next = &all_mnts, .prev = &all_mnts }; struct v_mount* vfs_create_mount(struct v_mount* parent, struct v_dnode* mnt_point) @@ -18,12 +19,12 @@ vfs_create_mount(struct v_mount* parent, struct v_dnode* mnt_point) llist_append(&all_mnts, &mnt->list); mutex_init(&mnt->lock); - mnt_mkbusy(parent); mnt->parent = parent; mnt->mnt_point = mnt_point; mnt->super_block = mnt_point->super_block; if (parent) { + mnt_mkbusy(parent); mutex_lock(&mnt->parent->lock); llist_append(&parent->submnts, &mnt->sibmnts); mutex_unlock(&mnt->parent->lock); @@ -68,30 +69,23 @@ __vfs_do_unmount(struct v_mount* mnt) void mnt_mkbusy(struct v_mount* mnt) { - while (mnt) { - mutex_lock(&mnt->lock); - mnt->busy_counter++; - mutex_unlock(&mnt->lock); - - mnt = mnt->parent; - } + mutex_lock(&mnt->lock); + mnt->busy_counter++; + mutex_unlock(&mnt->lock); } void mnt_chillax(struct v_mount* mnt) { - while (mnt) { - mutex_lock(&mnt->lock); - mnt->busy_counter--; - mutex_unlock(&mnt->lock); - - mnt = mnt->parent; - } + mutex_lock(&mnt->lock); + mnt->busy_counter--; + mutex_unlock(&mnt->lock); } int vfs_mount_root(const char* fs_name, struct device* device) { + extern struct v_dnode* vfs_sysroot; int errno = 0; if (vfs_sysroot->mnt && (errno = vfs_unmount_at(vfs_sysroot))) { return errno;