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btrfs: use generic posix ACL infrastructure

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Also don't bother to set up a .get_acl method for symlinks as we do not
support access control (ACLs or even mode bits) for symlinks in Linux.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2013-12-20 05:16:43 -08:00
committed by Al Viro
parent 37bc15392a
commit 996a710d46
5 changed files with 31 additions and 138 deletions
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7
fs/btrfs/inode.c
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@@ -4464,7 +4464,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
err = btrfs_dirty_inode(inode);
if (!err && attr->ia_valid & ATTR_MODE)
err = btrfs_acl_chmod(inode);
err = posix_acl_chmod(inode, inode->i_mode);
}
return err;
@@ -8649,12 +8649,14 @@ static const struct inode_operations btrfs_dir_inode_operations = {
.removexattr = btrfs_removexattr,
.permission = btrfs_permission,
.get_acl = btrfs_get_acl,
.set_acl = btrfs_set_acl,
.update_time = btrfs_update_time,
};
static const struct inode_operations btrfs_dir_ro_inode_operations = {
.lookup = btrfs_lookup,
.permission = btrfs_permission,
.get_acl = btrfs_get_acl,
.set_acl = btrfs_set_acl,
.update_time = btrfs_update_time,
};
@@ -8724,6 +8726,7 @@ static const struct inode_operations btrfs_file_inode_operations = {
.permission = btrfs_permission,
.fiemap = btrfs_fiemap,
.get_acl = btrfs_get_acl,
.set_acl = btrfs_set_acl,
.update_time = btrfs_update_time,
};
static const struct inode_operations btrfs_special_inode_operations = {
@@ -8735,6 +8738,7 @@ static const struct inode_operations btrfs_special_inode_operations = {
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.get_acl = btrfs_get_acl,
.set_acl = btrfs_set_acl,
.update_time = btrfs_update_time,
};
static const struct inode_operations btrfs_symlink_inode_operations = {
@@ -8748,7 +8752,6 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
.getxattr = btrfs_getxattr,
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.get_acl = btrfs_get_acl,
.update_time = btrfs_update_time,
};