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vfs Rewrite IOCTL_STAT so that it doesnt require an already open handle

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This commit is contained in:
Kamil Kowalczyk
2025-10-03 01:00:09 +02:00
parent 2cfd3ee2fa
commit de20efa0f3
7 changed files with 71 additions and 44 deletions
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15
kernel/vfs/vfs.c
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@ -46,6 +46,21 @@ void vfs_init_littlefs(VfsMountPoint *mp, bool format) {
mp->cleanup = &littlefs_cleanup;
mp->open = &littlefs_open;
mp->stat = &littlefs_stat;
}
int32_t vfs_stat(char *mountpoint, const char *path, VfsStat *stat) {
VfsMountPoint *mp = NULL;
spinlock_acquire(&VFS_TABLE.spinlock);
HSHTB_GET(&VFS_TABLE, mountpoints, mountpoint, label, mp);
spinlock_release(&VFS_TABLE.spinlock);
if (mp == NULL) {
return E_NOENTRY;
}
return mp->stat(mp, path, stat);
}
int32_t vfs_mount(char *mountpoint, int32_t fstype, StoreDev *backingsd, bool format) {

3
kernel/vfs/vfs.h
View File

@ -45,7 +45,6 @@ typedef struct VfsObj {
char path[VFS_PATH_MAX];
int32_t flags;
int32_t (*read)(struct VfsObj *vobj, uint8_t *const buffer, size_t n, size_t off);
int32_t (*stat)(struct VfsObj *vobj, struct VfsStat *stat);
int32_t (*write)(struct VfsObj *vobj, const uint8_t *const buffer, size_t n, size_t off);
void (*cleanup)(struct VfsObj *vobj);
} VfsObj;
@ -58,6 +57,7 @@ typedef struct VfsMountPoint {
VfsObj *(*open)(struct VfsMountPoint *vmp, const char *path, uint32_t flags);
int32_t (*cleanup)(struct VfsMountPoint *vmp);
int32_t (*stat)(struct VfsMountPoint *vmp, const char *path, struct VfsStat *statbuf);
union {
LittleFs littlefs;
@ -77,5 +77,6 @@ int32_t vfs_unmount(char *mountpoint);
int32_t vfs_mount(char *mountpoint, int32_t fstype, StoreDev *backingsd, bool format);
void vfs_close(VfsObj *vobj);
VfsObj *vfs_open(char *mountpoint, const char *path, uint32_t flags);
int32_t vfs_stat(char *mountpoint, const char *path, VfsStat *stat);
#endif // VFS_VFS_H_