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Date: Wed, 19 Jan 2011 17:42:05 +0100
From: Lino Sanfilippo <LinoSanfilippo@....de>
To: eparis@...hat.com
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
Lino Sanfilippo <LinoSanfilippo@....de>
Subject: [PATCH 02/14] fsnotify: rename fsnotify_add_mark() to fsnotify_add_mark_locked()
We assume that the caller of fsnotify_add_mark() has taken the group->mark_lock
itself, so we should rename the function to fsnotify_add_mark_locked().
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>
---
fs/notify/dnotify/dnotify.c | 3 ++-
fs/notify/fanotify/fanotify_user.c | 4 ++--
fs/notify/inotify/inotify_user.c | 3 ++-
fs/notify/mark.c | 7 ++++---
include/linux/fsnotify_backend.h | 6 ++++--
kernel/audit_tree.c | 8 +++++---
kernel/audit_watch.c | 3 ++-
7 files changed, 21 insertions(+), 13 deletions(-)
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 89ec7e0..a81e97f 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -333,7 +333,8 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark);
spin_lock(&fsn_mark->lock);
} else {
- fsnotify_add_mark(new_fsn_mark, dnotify_group, inode, NULL, 0);
+ fsnotify_add_mark_locked(new_fsn_mark, dnotify_group, inode,
+ NULL, 0);
spin_lock(&new_fsn_mark->lock);
fsn_mark = new_fsn_mark;
dn_mark = new_dn_mark;
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 2d4925b..41bfdfd 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -638,7 +638,7 @@ static int fanotify_add_vfsmount_mark(struct fsnotify_group *group,
goto err;
fsnotify_init_mark(fsn_mark, fanotify_free_mark);
- ret = fsnotify_add_mark(fsn_mark, group, NULL, mnt, 0);
+ ret = fsnotify_add_mark_locked(fsn_mark, group, NULL, mnt, 0);
if (ret)
goto err2;
}
@@ -688,7 +688,7 @@ static int fanotify_add_inode_mark(struct fsnotify_group *group,
goto err;
fsnotify_init_mark(fsn_mark, fanotify_free_mark);
- ret = fsnotify_add_mark(fsn_mark, group, inode, NULL, 0);
+ ret = fsnotify_add_mark_locked(fsn_mark, group, inode, NULL, 0);
if (ret)
goto err2;
}
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 4cd5d5d..bb91b53 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -656,7 +656,8 @@ static int inotify_new_watch(struct fsnotify_group *group,
goto out_err;
/* we are on the idr, now get on the inode */
- ret = fsnotify_add_mark(&tmp_i_mark->fsn_mark, group, inode, NULL, 0);
+ ret = fsnotify_add_mark_locked(&tmp_i_mark->fsn_mark, group, inode,
+ NULL, 0);
if (ret) {
/* we failed to get on the inode, get off the idr */
inotify_remove_from_idr(group, tmp_i_mark);
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index a677af0..247cbdf 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -201,10 +201,11 @@ void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __u32 mas
* Attach an initialized mark to a given group and fs object.
* These marks may be used for the fsnotify backend to determine which
* event types should be delivered to which group.
+ * Requires groups mark_lock to be held.
*/
-int fsnotify_add_mark(struct fsnotify_mark *mark,
- struct fsnotify_group *group, struct inode *inode,
- struct vfsmount *mnt, int allow_dups)
+int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
+ struct fsnotify_group *group, struct inode *inode,
+ struct vfsmount *mnt, int allow_dups)
{
int ret;
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 6a3c660..b018e78 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -402,8 +402,10 @@ extern void fsnotify_set_mark_ignored_mask_locked(struct fsnotify_mark *mark, __
/* set the mask of a mark (might pin the object into memory */
extern void fsnotify_set_mark_mask_locked(struct fsnotify_mark *mark, __u32 mask);
/* attach the mark to both the group and the inode */
-extern int fsnotify_add_mark(struct fsnotify_mark *mark, struct fsnotify_group *group,
- struct inode *inode, struct vfsmount *mnt, int allow_dups);
+extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
+ struct fsnotify_group *group,
+ struct inode *inode, struct vfsmount *mnt,
+ int allow_dups);
/* given a mark, flag it to be freed when all references are dropped */
extern void fsnotify_destroy_mark(struct fsnotify_mark *mark);
/* run all the marks in a group, and clear all of the vfsmount marks */
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 37b2bea..4b50ccc 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -264,7 +264,8 @@ static void untag_chunk(struct node *p)
goto Fallback;
fsnotify_duplicate_mark(&new->mark, entry);
- if (fsnotify_add_mark(&new->mark, new->mark.group, new->mark.i.inode, NULL, 1)) {
+ if (fsnotify_add_mark_locked(&new->mark, new->mark.group,
+ new->mark.i.inode, NULL, 1)) {
free_chunk(new);
goto Fallback;
}
@@ -327,7 +328,7 @@ static int create_chunk(struct inode *inode, struct audit_tree *tree)
return -ENOMEM;
entry = &chunk->mark;
- if (fsnotify_add_mark(entry, audit_tree_group, inode, NULL, 0)) {
+ if (fsnotify_add_mark_locked(entry, audit_tree_group, inode, NULL, 0)) {
free_chunk(chunk);
return -ENOSPC;
}
@@ -400,7 +401,8 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
}
fsnotify_duplicate_mark(chunk_entry, old_entry);
- if (fsnotify_add_mark(chunk_entry, chunk_entry->group, chunk_entry->i.inode, NULL, 1)) {
+ if (fsnotify_add_mark_locked(chunk_entry, chunk_entry->group,
+ chunk_entry->i.inode, NULL, 1)) {
spin_unlock(&old_entry->lock);
free_chunk(chunk);
fsnotify_put_mark(old_entry);
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index d2e3c78..6a57231 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -158,7 +158,8 @@ static struct audit_parent *audit_init_parent(struct nameidata *ndp)
fsnotify_init_mark(&parent->mark, audit_watch_free_mark);
parent->mark.mask = AUDIT_FS_WATCH;
- ret = fsnotify_add_mark(&parent->mark, audit_watch_group, inode, NULL, 0);
+ ret = fsnotify_add_mark_locked(&parent->mark, audit_watch_group, inode,
+ NULL, 0);
if (ret < 0) {
audit_free_parent(parent);
return ERR_PTR(ret);
--
1.5.6.5
--
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