Messages in this thread Patch in this message |  | | | From | "Aneesh Kumar K.V" <> | | Subject | [PATCH -V4 03/11] vfs: Add a comment to inode_permission() | | Date | Fri, 24 Sep 2010 18:18:06 +0530 |
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From: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> --- fs/namei.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 7cadd07..bf822b8 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -167,7 +167,7 @@ EXPORT_SYMBOL(putname); #endif /* - * This does basic POSIX ACL permission checking + * This does the basic permission checking */ static int acl_permission_check(struct inode *inode, int mask, int (*check_acl)(struct inode *inode, int mask)) @@ -212,7 +212,7 @@ int generic_permission(struct inode *inode, int mask, int ret; /* - * Do the basic POSIX ACL permission checks. + * Do the basic permission checks. */ ret = acl_permission_check(inode, mask, check_acl); if (ret != -EACCES) @@ -246,6 +246,8 @@ int generic_permission(struct inode *inode, int mask, * We use "fsuid" for this, letting us set arbitrary permissions * for filesystem access without changing the "normal" uids which * are used for other things. + * + * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask. */ int inode_permission(struct inode *inode, int mask) { -- 1.7.0.4
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