snowball/igloo-kernel.git/fs/hfsplus/ioctl.c, branch security

hfsplus: add an ioctl to bless files

2012-03-21T01:29:53+00:00

Making an hfsplus partition bootable requires the ability to "bless" a file by putting its inode number in the volume header. Doing this from userspace on a mounted filesystem is impractical since the kernel will write back the original values on unmount. Add an ioctl to allow userspace to update the volume header information based on the target file. Signed-off-by: Matthew Garrett Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro

vfs: mnt_drop_write_file()

2012-01-04T03:52:40+00:00

new helper (wrapper around mnt_drop_write()) to be used in pair with mnt_want_write_file(). Signed-off-by: Al Viro

switch a bunch of places to mnt_want_write_file()

2012-01-04T03:52:35+00:00

it's both faster (in case when file has been opened for write) and cleaner. Signed-off-by: Al Viro

userns: rename is_owner_or_cap to inode_owner_or_capable

2011-03-24T02:47:13+00:00

And give it a kernel-doc comment. [akpm@linux-foundation.org: btrfs changed in linux-next] Signed-off-by: Serge E. Hallyn Cc: "Eric W. Biederman" Cc: Daniel Lezcano Acked-by: David Howells Cc: James Morris Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

hfsplus: fix an artifact in ioctl flag checking

2010-12-16T17:08:43+00:00

Fix a flag checking artifact in hfsplus_ioctl_getflags() routine found while doing clean-up against assignments inside `if's. Signed-off-by: Anton Salikhmetov Signed-off-by: Christoph Hellwig

hfsplus: optimize fsync

2010-11-23T13:38:15+00:00

Avoid doing unessecary work in fsync. Do nothing unless the inode was marked dirty, and only write the various metadata inodes out if they contain any dirty state from this inode. This is archived by adding three new dirty bits to the hfsplus-specific inode which are set in the correct places. Signed-off-by: Christoph Hellwig

hfsplus: fix double lock typo in ioctl

2010-10-25T18:39:07+00:00

This was supposed to be a mutex_unlock() instead of a mutex_lock(). Signed-off-by: Dan Carpenter Signed-off-by: Christoph Hellwig

hfsplus: fix getxattr return value

2010-10-15T12:45:00+00:00

We need to support -EOPNOTSUPP for attributes that are not supported to match other filesystems and allow userspace to detect if Posix ACLs are supported or not. setxattr already gets this right. Signed-off-by: Christoph Hellwig

hfsplus: remove superflous rootflags field in hfsplus_inode_info

2010-10-14T13:54:33+00:00

The rootflags field in hfsplus_inode_info only caches the immutable and append-only flags in the VFS inode, so we can easily get rid of it. Signed-off-by: Christoph Hellwig

hfsplus: fix HFSPLUS_I calling convention

2010-10-01T03:43:31+00:00

HFSPLUS_I doesn't return a pointer to the hfsplus-specific inode information like all other FOO_I macros, but dereference the pointer in a way that made it look like a direct struct derefence. This only works as long as the HFSPLUS_I macro is used directly and prevents us from keepig a local hfsplus_inode_info pointer. Fix the calling convention and introduce a local hip variable in all functions that use it constantly. Signed-off-by: Christoph Hellwig