Changeset 44358c1 in mainline for uspace/srv/vfs/vfs_unlink.c

Timestamp:

2007-11-07T18:46:43Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7f3e3e7

Parents:

b818cff

Message:

VFS work.
Increment reference counters for the VFS nodes representing the mount point and
the root of the mounted filesystem, respectively, during VFS_MOUNT. Take the
unlink_futex when transforming the triplet into a VFS node.

File:

• uspace/srv/vfs/vfs_unlink.c (modified) (1 diff)

uspace/srv/vfs/vfs_unlink.c

@@ -40 +40 @@
 
 /**
- * This futex serializes concurrent VFS_CREATE, VFS_OPEN and VFS_UNLINK
- * operations.
+ * This futex prevents the race between a triplet-to-VFS-node resolution and a
+ * concurrent VFS_UNLINK or VFS_RMDIR operation.
  */
 atomic_t unlink_futex = FUTEX_INITIALIZER;