Kernel

Compliment of the Day
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[GIT PULL] x86 fixes for 2.6.35-rc5
Hi Linus, The following changes since commit 980019d74e4b2428362b36a0506519d6d9460800: Linus Torvalds (1): Merge git://git.kernel.org/.../gregkh/staging-2.6 are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus Darrick J... 6 Jul 2010 15:35

[PATCH 5/9] vfs: Support null pathname in readlink
From: NeilBrown <neilb(a)suse.de> This enables to use readlink to get the link target name from a file descriptor point to the link. This can be used with open_by_handle syscall that returns a file descriptor for a link. We can then use this file descriptor to get the target name. Signed-off-by: NeilBrown <neilb... 6 Jul 2010 15:35

[PATCH 2/2] ocfs2: No need to zero pages past i_size. i_size v2
On Tue, Jul 06, 2010 at 12:09:19AM -0700, Joel Becker wrote: On Sun, Jul 04, 2010 at 11:13:01PM +0800, Tao Ma wrote: if (new) { wc->w_num_pages = ocfs2_pages_per_cluster(inode->i_sb); start = ocfs2_align_clusters_to_page_index(inode->i_sb, cpos); + /* This is the index *past* the ... 6 Jul 2010 15:35

[PATCH 2/9] vfs: Add name to file handle conversion support
This patch add a new superblock field unsigned char s_uuid[16] to store UUID mapping for the file system. The s_uuid[16] is used to identify the file system apart of file_handle Acked-by: Serge Hallyn <serue(a)us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> --- fs/open.c ... 6 Jul 2010 15:35

[PATCH 6/9] vfs: Support null pathname in faccessat
This enables to use faccessat to get the access check details from a file descriptor pointing to the file. This can be used with open_by_handle syscall that returns a file descriptor. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> --- fs/open.c | 29 +++++++++++++++++++++-------- 1 files c... 6 Jul 2010 15:35

[PATCH -V15 0/9] Generic name to handle and open by handle syscalls
Hi, The below set of patches implement open by handle support using exportfs operations. This allows user space application to map a file name to file handle and later open the file using handle. This should be usable for userspace NFS [1] and 9P server [2]. XFS already support this with the ioctls XFS_IOC_PATH... 6 Jul 2010 15:35

[PATCH 4/9] vfs: Allow handle based open on symlinks
The patch update may_open to allow handle based open on symlinks. The file handle based API use file descritor returned from open_by_handle_at to do different file system operations. To find the link target name we need to get a file descriptor on symlinks. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet... 6 Jul 2010 15:35

[PATCH 8/9] x86: Add new syscalls for x86_32
This patch adds sys_name_to_handle_at and sys_open_by_handle_at syscalls to x86_32 Acked-by: Serge Hallyn <serue(a)us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> --- arch/x86/include/asm/unistd_32.h | 4 +++- arch/x86/kernel/syscall_table_32.S | 2 ++ 2 files changed, 5 in... 6 Jul 2010 15:35

[PATCH 9/9] x86: Add new syscalls for x86_64
Add sys_name_to_handle_at and sys_open_by_handle_at syscalls for x86_64 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> --- arch/x86/ia32/ia32entry.S | 2 ++ arch/x86/include/asm/unistd_64.h | 4 ++++ fs/compat.c | 11 +++++++++++ fs/open.c ... 6 Jul 2010 15:35