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Lock VFS mountpoint access for ops

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This commit is contained in:
Kamil Kowalczyk
2026-02-12 15:51:59 +01:00
parent f07e920270
commit fb54483e42
1 changed files with 14 additions and 2 deletions
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16
kernel/fs/vfs.c
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@@ -80,7 +80,13 @@ int vfs_describe (const char* mountpoint, const char* path, struct fs_desc_buffe
if (vmp == NULL) if (vmp == NULL)
return -VFS_NOT_FOUND; return -VFS_NOT_FOUND;
return vmp->driver_ops.describe (vmp, path, desc); spin_lock (&vmp->lock);
int ret = vmp->driver_ops.describe (vmp, path, desc);
spin_unlock (&vmp->lock);
return ret;
} }
int vfs_read (const char* mountpoint, const char* path, uint8_t* buffer, size_t off, size_t size) { int vfs_read (const char* mountpoint, const char* path, uint8_t* buffer, size_t off, size_t size) {
@@ -89,7 +95,13 @@ int vfs_read (const char* mountpoint, const char* path, uint8_t* buffer, size_t
if (vmp == NULL) if (vmp == NULL)
return -VFS_NOT_FOUND; return -VFS_NOT_FOUND;
return vmp->driver_ops.read (vmp, path, buffer, off, size); spin_lock (&vmp->lock);
int ret = vmp->driver_ops.read (vmp, path, buffer, off, size);
spin_unlock (&vmp->lock);
return ret;
} }
void vfs_init (void) { void vfs_init (void) {