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authorChristoph Hellwig <hch@infradead.org>2013-12-20 17:16:52 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-01-26 08:58:22 +0400
commite01580bf9e4d0e3bbaead44bd46cdbfe61957732 (patch)
tree1f853adc16d311670dbfba0cf6e2e7555d1d9b4b /fs/gfs2/inode.c
parent2cc6a5a01cdbeb0e46f3aa144819d5d7cee458a1 (diff)
downloadlinux-e01580bf9e4d0e3bbaead44bd46cdbfe61957732.tar.xz
gfs2: use generic posix ACL infrastructure
This contains some major refactoring for the create path so that inodes are created with the right mode to start with instead of fixing it up later. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 7119504159f1..d573125d1021 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -552,6 +552,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
unsigned int size, int excl, int *opened)
{
const struct qstr *name = &dentry->d_name;
+ struct posix_acl *default_acl, *acl;
struct gfs2_holder ghs[2];
struct inode *inode = NULL;
struct gfs2_inode *dip = GFS2_I(dir), *ip;
@@ -611,10 +612,14 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (!inode)
goto fail_gunlock;
+ error = posix_acl_create(dir, &mode, &default_acl, &acl);
+ if (error)
+ goto fail_free_vfs_inode;
+
ip = GFS2_I(inode);
error = gfs2_rs_alloc(ip);
if (error)
- goto fail_free_inode;
+ goto fail_free_acls;
inode->i_mode = mode;
set_nlink(inode, S_ISDIR(mode) ? 2 : 1);
@@ -682,7 +687,16 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
gfs2_set_iop(inode);
insert_inode_hash(inode);
- error = gfs2_acl_create(dip, inode);
+ if (default_acl) {
+ error = gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+ posix_acl_release(default_acl);
+ }
+ if (acl) {
+ if (!error)
+ error = gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);
+ posix_acl_release(acl);
+ }
+
if (error)
goto fail_gunlock3;
@@ -716,6 +730,12 @@ fail_free_inode:
if (ip->i_gl)
gfs2_glock_put(ip->i_gl);
gfs2_rs_delete(ip, NULL);
+fail_free_acls:
+ if (default_acl)
+ posix_acl_release(default_acl);
+ if (acl)
+ posix_acl_release(acl);
+fail_free_vfs_inode:
free_inode_nonrcu(inode);
inode = NULL;
fail_gunlock:
@@ -1678,10 +1698,11 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
error = gfs2_setattr_size(inode, attr->ia_size);
else if (attr->ia_valid & (ATTR_UID | ATTR_GID))
error = setattr_chown(inode, attr);
- else if ((attr->ia_valid & ATTR_MODE) && IS_POSIXACL(inode))
- error = gfs2_acl_chmod(ip, attr);
- else
+ else {
error = gfs2_setattr_simple(inode, attr);
+ if (!error && attr->ia_valid & ATTR_MODE)
+ error = posix_acl_chmod(inode, inode->i_mode);
+ }
out:
if (!error)
@@ -1841,6 +1862,7 @@ const struct inode_operations gfs2_file_iops = {
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
.get_acl = gfs2_get_acl,
+ .set_acl = gfs2_set_acl,
};
const struct inode_operations gfs2_dir_iops = {
@@ -1862,6 +1884,7 @@ const struct inode_operations gfs2_dir_iops = {
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
.get_acl = gfs2_get_acl,
+ .set_acl = gfs2_set_acl,
.atomic_open = gfs2_atomic_open,
};
@@ -1877,6 +1900,5 @@ const struct inode_operations gfs2_symlink_iops = {
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
- .get_acl = gfs2_get_acl,
};