Re: [PATCH 00/52] Introduce credential record | KernelTrap

Re: [PATCH 00/52] Introduce credential record

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: David Howells <dhowells@...>

To: Theodore Tso <tytso@...>

Cc: <dhowells@...>, <viro@...>, <kwc@...>, <Trond.Myklebust@...>, <linux-kernel@...>

Subject: Re: [PATCH 00/52] Introduce credential record

Date: Saturday, October 13, 2007 - 5:46 pm

Theodore Tso <tytso@mit.edu> wrote:

quoted text>    I'm going to ask a stupid question, and I probably missed something
> in the 52 patches, but....  I see how the credential is used to do
> access checks, but why does the credentials record need to passed all
> the way into block allocator?  What is it used for there?

Ext2, 3 & 4 use it to determine whether someone has the right to use the
reserved space according to whether their UID/GID match those in the
superblock.

See ext3_has_free_blocks() for an example.

David
-
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[PATCH 00/52] Introduce credential record, David Howells, (Fri Oct 12, 12:05 pm)

Re: [PATCH 00/52] Introduce credential record, Theodore Tso, (Sat Oct 13, 2:11 pm)

Re: [PATCH 00/52] Introduce credential record, David Howells, (Sat Oct 13, 5:46 pm)

Re: [PATCH 00/52] Introduce credential record, Al Viro, (Sat Oct 13, 2:19 pm)

[PATCH 52/52] CRED: Pass credentials through vfs_mkdir(), David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 51/52] CRED: Pass credentials through the removexattr..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 50/52] CRED: Pass credentials through the listxattr()..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 49/52] CRED: Pass credentials through the xattr list(..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 48/52] CRED: Pass credentials through the getxattr() ..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 47/52] CRED: Pass credentials through the xattr get()..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 46/52] CRED: Pass credentials through the setxattr() ..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 45/52] CRED: Pass credentials through the getattr() i..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 42/52] CRED: Pass credentials through the permission(..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 44/52] CRED: Pass credentials through the follow_link..., David Howells, (Fri Oct 12, 12:09 pm)

[PATCH 43/52] CRED: Pass credentials through the statfs() su..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 41/52] CRED: Pass credentials through d_revalidate(), David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 40/52] CRED: Give the lookup() inode op a credentials..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 39/52] CRED: Pass credentials through the quota_write..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 38/52] CRED: Pass credentials through the quota_read(..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 37/52] CRED: Pass credentials to the get_sb() op and ..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 36/52] CRED: Make ext3_fill_super() pass credentials ..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 35/52] CRED: Make the ACL set() handler take a creden..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 34/52] CRED: Make Ext3 ACL set handlers pass credenti..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 33/52] CRED: Make the get_parent() export op take a c..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 31/52] CRED: Give the rename() inode op a credentials..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 32/52] CRED: Give the symlink() inode op a credential..., David Howells, (Fri Oct 12, 12:08 pm)

[PATCH 29/52] CRED: Give the unlink() inode op a credentials..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 30/52] CRED: Give the rmdir() inode op a credentials ..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 28/52] CRED: Give the link() inode op a credentials p..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 27/52] CRED: Give the create() inode op a credentials..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 26/52] CRED: Give the mkdir() inode op a credentials ..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 24/52] CRED: Pass credentials through inode_setattr(), David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 25/52] CRED: Give the mknod() inode op a credentials ..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 23/52] CRED: Pass credentials to the setattr() inode ..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 22/52] CRED: Pass credentials to nfs_setattr_update_i..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 20/52] CRED: Pass credentials into rpc_init_task(), David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 21/52] CRED: Pass credentials through the truncate() ..., David Howells, (Fri Oct 12, 12:07 pm)

[PATCH 19/52] CRED: Add a credentials pointer to struct rpc_..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 18/52] CRED: Make rpcauth_bindcred() take a credentia..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 17/52] CRED: Make rpcauth_lookupcred() take a credent..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 16/52] CRED: Pass credentials through the internals o..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 15/52] CRED: Make Ext3 use the writeback credentials, David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 11/52] CRED: Give the get_block() callback a credenti..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 13/52] CRED: Make block_prepare_write() and co take a..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 12/52] CRED: Make mpage read functions take a credent..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 14/52] CRED: Provide a writeback credentials record, David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 09/52] CRED: Pass credentials down to ext4 block allo..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 10/52] CRED: Pass credentials down to ext4 inode allo..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 03/52] CRED: Pass credentials down to ext3 block allo..., David Howells, (Fri Oct 12, 12:05 pm)

[PATCH 08/52] CRED: Pass credentials down to ext2 inode allo..., David Howells, (Fri Oct 12, 12:06 pm)

[PATCH 07/52] CRED: Pass credentials down to ext2 block allo..., David Howells, (Fri Oct 12, 12:05 pm)

[PATCH 06/52] CRED: Prepare RAMFS for cred passing, David Howells, (Fri Oct 12, 12:05 pm)

[PATCH 04/52] CRED: Pass credentials down to ext3 inode allo..., David Howells, (Fri Oct 12, 12:05 pm)

[PATCH 05/52] CRED: Prepare TMPFS for cred passing, David Howells, (Fri Oct 12, 12:05 pm)

[PATCH 01/52] CRED: Introduce a COW credentials record, David Howells, (Fri Oct 12, 12:05 pm)

Re: [PATCH 01/52] CRED: Introduce a COW credentials record, David Chinner, (Sun Oct 14, 9:53 pm)

[PATCH 02/52] CRED: Give in_group_p() a cred pointer, David Howells, (Fri Oct 12, 12:05 pm)

Navigation

Popular discussions


linux-kernel:
Andrew Morton	-mm merge plans for 2.6.23
Greg KH	[GIT PATCH] driver core patches against 2.6.24
Greg KH	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Tomasz Kłoczko	Is it time for remove (crap) ALSA from kernel tree ?
git:

linux-netdev:
David Miller	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking
Paweł Staszewski	iproute2 action/policer question
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
openbsd-misc:

Colocation donated by:

Who's online

There are currently 1 user and 834 guests online.

Online users

strcmp

Syndicate