diff options
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r-- | fs/gfs2/inode.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 2b6f569..cc00bd1 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -368,10 +368,11 @@ static void munge_mode_uid_gid(const struct gfs2_inode *dip, struct inode *inode) { if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && - (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) { + (dip->i_inode.i_mode & S_ISUID) && + !uid_eq(dip->i_inode.i_uid, GLOBAL_ROOT_UID)) { if (S_ISDIR(inode->i_mode)) inode->i_mode |= S_ISUID; - else if (dip->i_inode.i_uid != current_fsuid()) + else if (!uid_eq(dip->i_inode.i_uid, current_fsuid())) inode->i_mode &= ~07111; inode->i_uid = dip->i_inode.i_uid; } else @@ -447,7 +448,7 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip, struct timespec tv = CURRENT_TIME; dibh = gfs2_meta_new(ip->i_gl, ip->i_no_addr); - gfs2_trans_add_bh(ip->i_gl, dibh, 1); + gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); di = (struct gfs2_dinode *)dibh->b_data; @@ -455,8 +456,8 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip, di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); di->di_num.no_addr = cpu_to_be64(ip->i_no_addr); di->di_mode = cpu_to_be32(ip->i_inode.i_mode); - di->di_uid = cpu_to_be32(ip->i_inode.i_uid); - di->di_gid = cpu_to_be32(ip->i_inode.i_gid); + di->di_uid = cpu_to_be32(i_uid_read(&ip->i_inode)); + di->di_gid = cpu_to_be32(i_gid_read(&ip->i_inode)); di->di_nlink = 0; di->di_size = cpu_to_be64(ip->i_inode.i_size); di->di_blocks = cpu_to_be64(1); @@ -548,7 +549,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, if (error) return error; - error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); + error = gfs2_quota_lock(dip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE); if (error) goto fail; @@ -584,7 +585,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, if (error) goto fail_end_trans; set_nlink(&ip->i_inode, S_ISDIR(ip->i_inode.i_mode) ? 2 : 1); - gfs2_trans_add_bh(ip->i_gl, dibh, 1); + gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); return 0; @@ -931,7 +932,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (error) goto out_brelse; - gfs2_trans_add_bh(ip->i_gl, dibh, 1); + gfs2_trans_add_meta(ip->i_gl, dibh); inc_nlink(&ip->i_inode); ip->i_inode.i_ctime = CURRENT_TIME; ihold(inode); @@ -978,8 +979,8 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, return -EPERM; if ((dip->i_inode.i_mode & S_ISVTX) && - dip->i_inode.i_uid != current_fsuid() && - ip->i_inode.i_uid != current_fsuid() && !capable(CAP_FOWNER)) + !uid_eq(dip->i_inode.i_uid, current_fsuid()) && + !uid_eq(ip->i_inode.i_uid, current_fsuid()) && !capable(CAP_FOWNER)) return -EPERM; if (IS_APPEND(&dip->i_inode)) @@ -1412,7 +1413,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, if (error) goto out_end_trans; ip->i_inode.i_ctime = CURRENT_TIME; - gfs2_trans_add_bh(ip->i_gl, dibh, 1); + gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -1580,7 +1581,8 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) { struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); - u32 ouid, ogid, nuid, ngid; + kuid_t ouid, nuid; + kgid_t ogid, ngid; int error; ouid = inode->i_uid; @@ -1588,16 +1590,17 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) nuid = attr->ia_uid; ngid = attr->ia_gid; - if (!(attr->ia_valid & ATTR_UID) || ouid == nuid) - ouid = nuid = NO_QUOTA_CHANGE; - if (!(attr->ia_valid & ATTR_GID) || ogid == ngid) - ogid = ngid = NO_QUOTA_CHANGE; + if (!(attr->ia_valid & ATTR_UID) || uid_eq(ouid, nuid)) + ouid = nuid = NO_UID_QUOTA_CHANGE; + if (!(attr->ia_valid & ATTR_GID) || gid_eq(ogid, ngid)) + ogid = ngid = NO_GID_QUOTA_CHANGE; error = gfs2_quota_lock(ip, nuid, ngid); if (error) return error; - if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) { + if (!uid_eq(ouid, NO_UID_QUOTA_CHANGE) || + !gid_eq(ogid, NO_GID_QUOTA_CHANGE)) { error = gfs2_quota_check(ip, nuid, ngid); if (error) goto out_gunlock_q; @@ -1611,7 +1614,8 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) if (error) goto out_end_trans; - if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) { + if (!uid_eq(ouid, NO_UID_QUOTA_CHANGE) || + !gid_eq(ogid, NO_GID_QUOTA_CHANGE)) { u64 blocks = gfs2_get_inode_blocks(&ip->i_inode); gfs2_quota_change(ip, -blocks, ouid, ogid); gfs2_quota_change(ip, blocks, nuid, ngid); |