anonfd: Allow making anon files read-only

[safe/jmp/linux-2.6] / fs / udf / ialloc.c

diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index eb9cfa2..c10fa39 100644 (file)
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -36,8 +36,8 @@ void udf_free_inode(struct inode *inode)
         * Note: we must free any quota before locking the superblock,
         * as writing the quota to disk may need the lock as well.
         */
-       DQUOT_FREE_INODE(inode);
-       DQUOT_DROP(inode);
+       vfs_dq_free_inode(inode);
+       vfs_dq_drop(inode);
 
        clear_inode(inode);
 
@@ -49,12 +49,11 @@ void udf_free_inode(struct inode *inode)
                        le32_add_cpu(&lvidiu->numDirs, -1);
                else
                        le32_add_cpu(&lvidiu->numFiles, -1);
-
-               mark_buffer_dirty(sbi->s_lvid_bh);
+               udf_updated_lvid(sb);
        }
        mutex_unlock(&sbi->s_alloc_mutex);
 
-       udf_free_blocks(sb, NULL, UDF_I(inode)->i_location, 0, 1);
+       udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1);
 }
 
 struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
@@ -76,11 +75,24 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
        *err = -ENOSPC;
 
        iinfo = UDF_I(inode);
-       iinfo->i_unique = 0;
-       iinfo->i_lenExtents = 0;
-       iinfo->i_next_alloc_block = 0;
-       iinfo->i_next_alloc_goal = 0;
-       iinfo->i_strat4096 = 0;
+       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
+               iinfo->i_efe = 1;
+               if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
+                       sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
+               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
+                                           sizeof(struct extendedFileEntry),
+                                           GFP_KERNEL);
+       } else {
+               iinfo->i_efe = 0;
+               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
+                                           sizeof(struct fileEntry),
+                                           GFP_KERNEL);
+       }
+       if (!iinfo->i_ext.i_data) {
+               iput(inode);
+               *err = -ENOMEM;
+               return NULL;
+       }
 
        block = udf_new_block(dir->i_sb, NULL,
                              dinfo->i_location.partitionReferenceNum,
@@ -109,45 +121,27 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                if (!(++uniqueID & 0x00000000FFFFFFFFUL))
                        uniqueID += 16;
                lvhd->uniqueID = cpu_to_le64(uniqueID);
-               mark_buffer_dirty(sbi->s_lvid_bh);
+               udf_updated_lvid(sb);
        }
+       mutex_unlock(&sbi->s_alloc_mutex);
        inode->i_mode = mode;
-       inode->i_uid = current->fsuid;
+       inode->i_uid = current_fsuid();
        if (dir->i_mode & S_ISGID) {
                inode->i_gid = dir->i_gid;
                if (S_ISDIR(mode))
                        mode |= S_ISGID;
        } else {
-               inode->i_gid = current->fsgid;
+               inode->i_gid = current_fsgid();
        }
 
        iinfo->i_location.logicalBlockNum = block;
        iinfo->i_location.partitionReferenceNum =
                                dinfo->i_location.partitionReferenceNum;
-       inode->i_ino = udf_get_lb_pblock(sb, iinfo->i_location, 0);
+       inode->i_ino = udf_get_lb_pblock(sb, &iinfo->i_location, 0);
        inode->i_blocks = 0;
        iinfo->i_lenEAttr = 0;
        iinfo->i_lenAlloc = 0;
        iinfo->i_use = 0;
-       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
-               iinfo->i_efe = 1;
-               if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
-                       sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
-               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-                                           sizeof(struct extendedFileEntry),
-                                           GFP_KERNEL);
-       } else {
-               iinfo->i_efe = 0;
-               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
-                                           sizeof(struct fileEntry),
-                                           GFP_KERNEL);
-       }
-       if (!iinfo->i_ext.i_data) {
-               iput(inode);
-               *err = -ENOMEM;
-               mutex_unlock(&sbi->s_alloc_mutex);
-               return NULL;
-       }
        if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
                iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
        else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
@@ -158,10 +152,9 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                iinfo->i_crtime = current_fs_time(inode->i_sb);
        insert_inode_hash(inode);
        mark_inode_dirty(inode);
-       mutex_unlock(&sbi->s_alloc_mutex);
 
-       if (DQUOT_ALLOC_INODE(inode)) {
-               DQUOT_DROP(inode);
+       if (vfs_dq_alloc_inode(inode)) {
+               vfs_dq_drop(inode);
                inode->i_flags |= S_NOQUOTA;
                inode->i_nlink = 0;
                iput(inode);