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path: root/Documentation/filesystems/configfs/configfs_example.c
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2007-07-19some kmalloc/memset ->kzalloc (tree wide)Yoann Padioleau1-4/+2
Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc). Here is a short excerpt of the semantic patch performing this transformation: @@ type T2; expression x; identifier f,fld; expression E; expression E1,E2; expression e1,e2,e3,y; statement S; @@ x = - kmalloc + kzalloc (E1,E2) ... when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\) - memset((T2)x,0,E1); @@ expression E1,E2,E3; @@ - kzalloc(E1 * E2,E3) + kcalloc(E1,E2,E3) [[email protected]: get kcalloc args the right way around] Signed-off-by: Yoann Padioleau <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Acked-by: Russell King <[email protected]> Cc: Bryan Wu <[email protected]> Acked-by: Jiri Slaby <[email protected]> Cc: Dave Airlie <[email protected]> Acked-by: Roland Dreier <[email protected]> Cc: Jiri Kosina <[email protected]> Acked-by: Dmitry Torokhov <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Acked-by: Mauro Carvalho Chehab <[email protected]> Acked-by: Pierre Ossman <[email protected]> Cc: Jeff Garzik <[email protected]> Cc: "David S. Miller" <[email protected]> Acked-by: Greg KH <[email protected]> Cc: James Bottomley <[email protected]> Cc: "Antonino A. Daplas" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-07-10configfs: Convert subsystem semaphore to mutexJoel Becker1-1/+1
Convert the su_sem member of struct configfs_subsystem to a struct mutex, as that's what it is. Also convert all the users and update Documentation/configfs.txt and Documentation/configfs_example.c accordingly. [ Conflict in fs/dlm/config.c with commit 3168b0780d06ace875696f8a648d04d6089654e5 manually resolved. --Mark ] Inspired-by: Satyam Sharma <[email protected]> Signed-off-by: Joel Becker <[email protected]> Signed-off-by: Mark Fasheh <[email protected]>
2006-06-29configfs: Release memory in configfs_example.Joel Becker1-4/+15
The configfs_example module was missing a ->release(). Signed-off-by: Joel Becker <[email protected]> Signed-off-by: Mark Fasheh <[email protected]>
2006-02-03configfs: Add permission and ownership to configfs objects.Joel Becker1-0/+2
configfs always made item and attribute ownership root.root and permissions based on a umask of 022. Add ->setattr() to allow chown(2)/chmod(2), and persist the changes for the lifetime of the items and attributes. Signed-off-by: Joel Becker <[email protected]> Signed-off-by: Mark Fasheh <[email protected]>
2006-01-03[PATCH] configfs: User-driven configuration filesystemJoel Becker1-0/+474
Configfs, a file system for userspace-driven kernel object configuration. The OCFS2 stack makes extensive use of this for propagation of cluster configuration information into kernel. Signed-off-by: Joel Becker <[email protected]>