kernel/git/stable/linux.git/fs/sysfs/dir.c, branch linux-2.6.27.y

sysfs: fix hardlink count on device_move

2009-08-16T21:26:41+00:00

commit 0f58b44582001c8bcdb75f36cf85ebbe5170e959 upstream. Update directory hardlink count when moving kobjects to a new parent. Fixes the following problem which occurs when several devices are moved to the same parent and then unregistered: > ls -laF /sys/devices/css0/defunct/ > total 0 > drwxr-xr-x 4294967295 root root 0 2009-07-14 17:02 ./ > drwxr-xr-x 114 root root 0 2009-07-14 17:02 ../ > drwxr-xr-x 2 root root 0 2009-07-14 17:01 power/ > -rw-r--r-- 1 root root 4096 2009-07-14 17:01 uevent Signed-off-by: Peter Oberparleiter Signed-off-by: Greg Kroah-Hartman

Use WARN() in fs/sysfs

2008-07-26T19:00:07+00:00

Use WARN() instead of a printk+WARN_ON() pair; this way the message becomes part of the warning section for better reporting/collection. Also, with this, one fo the if() sections collapses entirely into the WARN(). Signed-off-by: Arjan van de Ven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

driver core: Suppress sysfs warnings for device_rename().

2008-07-22T04:55:01+00:00

driver core: Suppress sysfs warnings for device_rename(). Renaming network devices to an already existing name is not something we want sysfs to print a scary warning for, since the callers can deal with this correctly. So let's introduce sysfs_create_link_nowarn() which gets rid of the common warning. Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman

sysfs: remove error messages for -EEXIST case

2008-05-15T05:34:16+00:00

It is possible that the entry in sysfs already exists, one case of this is when a network device is renamed to bonding_masters. Anyway, in this case the proper error path is for device_rename to return an error code, not to generate bogus backtrace and errors. Also, to avoid possible races, the create link should be done before the remove link. This makes a device rename atomic operation like other renames. Signed-off-by: Stephen Hemminger Signed-off-by: Greg Kroah-Hartman Signed-off-by: David S. Miller

SYSFS: Explicitly include required header file slab.h.

2008-04-20T02:10:27+00:00

After an experimental deletion of the unnecessary inclusion of from the header file , the following files under fs/sysfs were exposed as needing to explicitly include . Signed-off-by: Robert P. J. Day Signed-off-by: Greg Kroah-Hartman

sysfs: Fix a copy-n-paste typo in comment

2008-01-25T04:40:04+00:00

Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman

sysfs: fix bugs in sysfs_rename/move_dir()

2008-01-16T17:54:03+00:00

sysfs_rename/move_dir() have the following bugs. - On dentry lookup failure, kfree() is called on ERR_PTR() value. - sysfs_move_dir() has an extra dput() on success path. Fix them. Signed-off-by: Tejun Heo Signed-off-by: Linus Torvalds

sysfs: make sysfs_lookup() return ERR_PTR(-ENOENT) on failed lookup

2008-01-16T17:54:03+00:00

sysfs tries to keep dcache a strict subset of sysfs_dirent tree by shooting down dentries when a node is removed, that is, no negative dentry for sysfs. However, the lookup function returned NULL and thus created negative dentries when the target node didn't exist. Make sysfs_lookup() return ERR_PTR(-ENOENT) on lookup failure. This fixes the NULL dereference bug in sysfs_get_dentry() discovered by bluetooth rfcomm device moving around. Signed-off-by: Tejun Heo Signed-off-by: Linus Torvalds

sysfs: make sysfs_{get,put}_active() static

2007-10-31T04:52:33+00:00

sysfs_{get,put}_active() can now become static. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman

spin_lock_unlocked cleanups

2007-10-17T15:43:01+00:00

Replace some SPIN_LOCK_UNLOCKED with DEFINE_SPINLOCK Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Acked-by: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds