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Date: Fri, 27 Mar 2015 17:49:59 +0100 From: Andreas Gruenbacher <andreas.gruenbacher@...il.com> To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org Subject: [RFC 01/39] vfs: Minor documentation fix The check_acl inode operation and the IPERM_FLAG_RCU are long gone. Document what get_acl does instead. Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com> --- Documentation/filesystems/porting | 8 ++++---- Documentation/filesystems/vfs.txt | 3 +++ 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index fa2db08..d6f9ab4 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -379,10 +379,10 @@ may now be called in rcu-walk mode (nd->flags & LOOKUP_RCU). -ECHILD should be returned if the filesystem cannot handle rcu-walk. See Documentation/filesystems/vfs.txt for more details. - permission and check_acl are inode permission checks that are called -on many or all directory inodes on the way down a path walk (to check for -exec permission). These must now be rcu-walk aware (flags & IPERM_FLAG_RCU). -See Documentation/filesystems/vfs.txt for more details. + permission is an inode permission check that is called on many or all +directory inodes on the way down a path walk (to check for exec permission). It +must now be rcu-walk aware (mask & MAY_NOT_BLOCK). See +Documentation/filesystems/vfs.txt for more details. -- [mandatory] diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 966b228..700cdf6 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -457,6 +457,9 @@ otherwise noted. If a situation is encountered that rcu-walk cannot handle, return -ECHILD and it will be called again in ref-walk mode. + get_acl: called by the VFS to get the posix acl of an inode. Called during + permission checks. The returned acl is cached in the inode. + setattr: called by the VFS to set attributes for a file. This method is called by chmod(2) and related system calls. -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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