Author: Josef 'Jeff' Sipek <[EMAIL PROTECTED]>
AuthorDate: Thu May 24 12:21:43 2007 -0400
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Thu May 24 10:16:17 2007 -0700
Documentation: Fix up docs still talking about i_sem
.. it got changed to 'i_mutex' some time ago.
Signed-off-by: Josef 'Jeff' Sipek <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Documentation/filesystems/directory-locking | 5 +++--
Documentation/filesystems/porting | 8 ++++----
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/Documentation/filesystems/directory-locking
index d7099a9..ff7b611 100644
@@ -1,5 +1,6 @@
Locking scheme used for directory operations is based on two
-kinds of locks - per-inode (->i_sem) and per-filesystem (->s_vfs_rename_sem).
+kinds of locks - per-inode (->i_mutex) and per-filesystem
For our purposes all operations fall in 5 classes:
@@ -63,7 +64,7 @@ objects - A < B iff A is an ancestor of B.
attempt to acquire some lock and already holds at least one lock. Let's
consider the set of contended locks. First of all, filesystem lock is
not contended, since any process blocked on it is not holding any locks.
-Thus all processes are blocked on ->i_sem.
+Thus all processes are blocked on ->i_mutex.
Non-directory objects are not contended due to (3). Thus link
creation can't be a part of deadlock - it can't be blocked on source
diff --git a/Documentation/filesystems/porting
index 5531694..dac45c9 100644
@@ -107,7 +107,7 @@ free to drop it...
-->link() callers hold ->i_sem on the object we are linking to. Some of your
+->link() callers hold ->i_mutex on the object we are linking to. Some of your
problems might be over...
@@ -130,9 +130,9 @@ went in - and hadn't been documented ;-/). Just remove it
-->setattr() is called without BKL now. Caller _always_ holds ->i_sem, so
-watch for ->i_sem-grabbing code that might be used by your ->setattr().
-Callers of notify_change() need ->i_sem now.
+->setattr() is called without BKL now. Caller _always_ holds ->i_mutex, so
+watch for ->i_mutex-grabbing code that might be used by your ->setattr().
+Callers of notify_change() need ->i_mutex now.
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