]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/udf/ialloc.c
udf: cache struct udf_inode_info
[linux-2.6-omap-h63xx.git] / fs / udf / ialloc.c
index 2eb503806bce12528a517277ce4fa4020bb0967d..84360315aca2083001727f1defc0d453b4c07779 100644 (file)
@@ -43,21 +43,21 @@ void udf_free_inode(struct inode *inode)
        clear_inode(inode);
 
        mutex_lock(&sbi->s_alloc_mutex);
-       if (sbi->s_lvidbh) {
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDescImpUse *lvidiu =
+                                                       udf_sb_lvidiu(sbi);
                if (S_ISDIR(inode->i_mode))
-                       UDF_SB_LVIDIU(sb)->numDirs =
-                           cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)
-                                       - 1);
+                       lvidiu->numDirs =
+                               cpu_to_le32(le32_to_cpu(lvidiu->numDirs) - 1);
                else
-                       UDF_SB_LVIDIU(sb)->numFiles =
-                           cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles)
-                                       - 1);
+                       lvidiu->numFiles =
+                               cpu_to_le32(le32_to_cpu(lvidiu->numFiles) - 1);
 
-               mark_buffer_dirty(sbi->s_lvidbh);
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
        mutex_unlock(&sbi->s_alloc_mutex);
 
-       udf_free_blocks(sb, NULL, UDF_I_LOCATION(inode), 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)
@@ -66,7 +66,9 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
        struct udf_sb_info *sbi = UDF_SB(sb);
        struct inode *inode;
        int block;
-       uint32_t start = UDF_I_LOCATION(dir).logicalBlockNum;
+       uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
+       struct udf_inode_info *iinfo;
+       struct udf_inode_info *dinfo = UDF_I(dir);
 
        inode = new_inode(sb);
 
@@ -76,41 +78,43 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
        }
        *err = -ENOSPC;
 
-       UDF_I_UNIQUE(inode) = 0;
-       UDF_I_LENEXTENTS(inode) = 0;
-       UDF_I_NEXT_ALLOC_BLOCK(inode) = 0;
-       UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
-       UDF_I_STRAT4096(inode) = 0;
+       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;
 
-       block =
-           udf_new_block(dir->i_sb, NULL,
-                         UDF_I_LOCATION(dir).partitionReferenceNum, start,
-                         err);
+       block = udf_new_block(dir->i_sb, NULL,
+                             dinfo->i_location.partitionReferenceNum,
+                             start, err);
        if (*err) {
                iput(inode);
                return NULL;
        }
 
        mutex_lock(&sbi->s_alloc_mutex);
-       if (UDF_SB_LVIDBH(sb)) {
+       if (sbi->s_lvid_bh) {
+               struct logicalVolIntegrityDesc *lvid =
+                       (struct logicalVolIntegrityDesc *)
+                       sbi->s_lvid_bh->b_data;
+               struct logicalVolIntegrityDescImpUse *lvidiu =
+                                                       udf_sb_lvidiu(sbi);
                struct logicalVolHeaderDesc *lvhd;
                uint64_t uniqueID;
-               lvhd =
-                   (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->
-                                                   logicalVolContentsUse);
+               lvhd = (struct logicalVolHeaderDesc *)
+                               (lvid->logicalVolContentsUse);
                if (S_ISDIR(mode))
-                       UDF_SB_LVIDIU(sb)->numDirs =
-                           cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)
-                                       + 1);
+                       lvidiu->numDirs =
+                               cpu_to_le32(le32_to_cpu(lvidiu->numDirs) + 1);
                else
-                       UDF_SB_LVIDIU(sb)->numFiles =
-                           cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles)
-                                       + 1);
-               UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID);
+                       lvidiu->numFiles =
+                               cpu_to_le32(le32_to_cpu(lvidiu->numFiles) + 1);
+               iinfo->i_unique = uniqueID = le64_to_cpu(lvhd->uniqueID);
                if (!(++uniqueID & 0x00000000FFFFFFFFUL))
                        uniqueID += 16;
                lvhd->uniqueID = cpu_to_le64(uniqueID);
-               mark_buffer_dirty(UDF_SB_LVIDBH(sb));
+               mark_buffer_dirty(sbi->s_lvid_bh);
        }
        inode->i_mode = mode;
        inode->i_uid = current->fsuid;
@@ -118,43 +122,45 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                inode->i_gid = dir->i_gid;
                if (S_ISDIR(mode))
                        mode |= S_ISGID;
-       } else
+       } else {
                inode->i_gid = current->fsgid;
+       }
 
-       UDF_I_LOCATION(inode).logicalBlockNum = block;
-       UDF_I_LOCATION(inode).partitionReferenceNum =
-           UDF_I_LOCATION(dir).partitionReferenceNum;
-       inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0);
+       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_blocks = 0;
-       UDF_I_LENEATTR(inode) = 0;
-       UDF_I_LENALLOC(inode) = 0;
-       UDF_I_USE(inode) = 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)) {
-               UDF_I_EFE(inode) = 1;
-               UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
-               UDF_I_DATA(inode) =
-                   kzalloc(inode->i_sb->s_blocksize -
-                           sizeof(struct extendedFileEntry), GFP_KERNEL);
+               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 {
-               UDF_I_EFE(inode) = 0;
-               UDF_I_DATA(inode) =
-                   kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry),
-                           GFP_KERNEL);
+               iinfo->i_efe = 0;
+               iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
+                                           sizeof(struct fileEntry),
+                                           GFP_KERNEL);
        }
-       if (!UDF_I_DATA(inode)) {
+       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))
-               UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_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))
-               UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_SHORT;
+               iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
        else
-               UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG;
+               iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
        inode->i_mtime = inode->i_atime = inode->i_ctime =
-           UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb);
+               iinfo->i_crtime = current_fs_time(inode->i_sb);
        insert_inode_hash(inode);
        mark_inode_dirty(inode);
        mutex_unlock(&sbi->s_alloc_mutex);