linux-toradex.git/fs/hfsplus/ioctl.c, branch v3.7.2

hfsplus: fix bless ioctl when used with hardlinks

2012-06-17T21:39:59+00:00

HFS+ doesn't really implement hard links - instead, hardlinks are indicated
by a magic file type which refers to an indirect node in a hidden
directory. The spec indicates that stat() should return the inode number
of the indirect node, but it turns out that this doesn't satisfy the
firmware when it's looking for a bootloader - it wants the catalog ID of
the hardlink file instead. Fix up this case.

Signed-off-by: Matthew Garrett 
Signed-off-by: Christoph Hellwig 
Signed-off-by: Linus Torvalds

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