diff options
Diffstat (limited to 'fs/udf')
-rw-r--r-- | fs/udf/inode.c | 9 | ||||
-rw-r--r-- | fs/udf/namei.c | 5 | ||||
-rw-r--r-- | fs/udf/super.c | 137 | ||||
-rw-r--r-- | fs/udf/truncate.c | 4 | ||||
-rw-r--r-- | fs/udf/udfdecl.h | 1 |
5 files changed, 80 insertions, 76 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 873e1bab9c4c..aa233469b3c1 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1124,14 +1124,17 @@ int udf_setsize(struct inode *inode, loff_t newsize) if (err) return err; down_write(&iinfo->i_data_sem); - } else + } else { iinfo->i_lenAlloc = newsize; + goto set_size; + } } err = udf_extend_file(inode, newsize); if (err) { up_write(&iinfo->i_data_sem); return err; } +set_size: truncate_setsize(inode, newsize); up_write(&iinfo->i_data_sem); } else { @@ -1247,7 +1250,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) { struct fileEntry *fe; struct extendedFileEntry *efe; - int offset; struct udf_sb_info *sbi = UDF_SB(inode->i_sb); struct udf_inode_info *iinfo = UDF_I(inode); unsigned int link_count; @@ -1359,7 +1361,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr); iinfo->i_lenAlloc = le32_to_cpu(fe->lengthAllocDescs); iinfo->i_checkpoint = le32_to_cpu(fe->checkpoint); - offset = sizeof(struct fileEntry) + iinfo->i_lenEAttr; } else { inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) << (inode->i_sb->s_blocksize_bits - 9); @@ -1381,8 +1382,6 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr); iinfo->i_lenAlloc = le32_to_cpu(efe->lengthAllocDescs); iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint); - offset = sizeof(struct extendedFileEntry) + - iinfo->i_lenEAttr; } switch (fe->icbTag.fileType) { diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 18024178ac4c..95fee278ab9d 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -251,7 +251,7 @@ out_ok: } static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct inode *inode = NULL; struct fileIdentDesc cfi; @@ -551,7 +551,7 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, } static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { struct udf_fileident_bh fibh; struct inode *inode; @@ -1279,6 +1279,7 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp, *lenp = 3; fid->udf.block = location.logicalBlockNum; fid->udf.partref = location.partitionReferenceNum; + fid->udf.parent_partref = 0; fid->udf.generation = inode->i_generation; if (parent) { diff --git a/fs/udf/super.c b/fs/udf/super.c index 8d86a8706c0e..18fc038a438d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -252,6 +252,63 @@ static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count) return 0; } +static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) +{ + int i; + int nr_groups = bitmap->s_nr_groups; + int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * + nr_groups); + + for (i = 0; i < nr_groups; i++) + if (bitmap->s_block_bitmap[i]) + brelse(bitmap->s_block_bitmap[i]); + + if (size <= PAGE_SIZE) + kfree(bitmap); + else + vfree(bitmap); +} + +static void udf_free_partition(struct udf_part_map *map) +{ + int i; + struct udf_meta_data *mdata; + + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) + iput(map->s_uspace.s_table); + if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) + iput(map->s_fspace.s_table); + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) + udf_sb_free_bitmap(map->s_uspace.s_bitmap); + if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) + udf_sb_free_bitmap(map->s_fspace.s_bitmap); + if (map->s_partition_type == UDF_SPARABLE_MAP15) + for (i = 0; i < 4; i++) + brelse(map->s_type_specific.s_sparing.s_spar_map[i]); + else if (map->s_partition_type == UDF_METADATA_MAP25) { + mdata = &map->s_type_specific.s_metadata; + iput(mdata->s_metadata_fe); + mdata->s_metadata_fe = NULL; + + iput(mdata->s_mirror_fe); + mdata->s_mirror_fe = NULL; + + iput(mdata->s_bitmap_fe); + mdata->s_bitmap_fe = NULL; + } +} + +static void udf_sb_free_partitions(struct super_block *sb) +{ + struct udf_sb_info *sbi = UDF_SB(sb); + int i; + + for (i = 0; i < sbi->s_partitions; i++) + udf_free_partition(&sbi->s_partmaps[i]); + kfree(sbi->s_partmaps); + sbi->s_partmaps = NULL; +} + static int udf_show_options(struct seq_file *seq, struct dentry *root) { struct super_block *sb = root->d_sb; @@ -1283,10 +1340,11 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, BUG_ON(ident != TAG_IDENT_LVD); lvd = (struct logicalVolDesc *)bh->b_data; table_len = le32_to_cpu(lvd->mapTableLength); - if (sizeof(*lvd) + table_len > sb->s_blocksize) { + if (table_len > sb->s_blocksize - sizeof(*lvd)) { udf_err(sb, "error loading logical volume descriptor: " "Partition table too long (%u > %lu)\n", table_len, sb->s_blocksize - sizeof(*lvd)); + ret = 1; goto out_bh; } @@ -1331,8 +1389,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { if (udf_load_sparable_map(sb, map, - (struct sparablePartitionMap *)gpm) < 0) + (struct sparablePartitionMap *)gpm) < 0) { + ret = 1; goto out_bh; + } } else if (!strncmp(upm2->partIdent.ident, UDF_ID_METADATA, strlen(UDF_ID_METADATA))) { @@ -1596,7 +1656,11 @@ static int udf_load_sequence(struct super_block *sb, struct buffer_head *bh, /* responsible for finding the PartitionDesc(s) */ if (!udf_process_sequence(sb, main_s, main_e, fileset)) return 1; - return !udf_process_sequence(sb, reserve_s, reserve_e, fileset); + udf_sb_free_partitions(sb); + if (!udf_process_sequence(sb, reserve_s, reserve_e, fileset)) + return 1; + udf_sb_free_partitions(sb); + return 0; } /* @@ -1861,55 +1925,8 @@ u64 lvid_get_unique_id(struct super_block *sb) return ret; } -static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) -{ - int i; - int nr_groups = bitmap->s_nr_groups; - int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * - nr_groups); - - for (i = 0; i < nr_groups; i++) - if (bitmap->s_block_bitmap[i]) - brelse(bitmap->s_block_bitmap[i]); - - if (size <= PAGE_SIZE) - kfree(bitmap); - else - vfree(bitmap); -} - -static void udf_free_partition(struct udf_part_map *map) -{ - int i; - struct udf_meta_data *mdata; - - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) - iput(map->s_uspace.s_table); - if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) - iput(map->s_fspace.s_table); - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) - udf_sb_free_bitmap(map->s_uspace.s_bitmap); - if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) - udf_sb_free_bitmap(map->s_fspace.s_bitmap); - if (map->s_partition_type == UDF_SPARABLE_MAP15) - for (i = 0; i < 4; i++) - brelse(map->s_type_specific.s_sparing.s_spar_map[i]); - else if (map->s_partition_type == UDF_METADATA_MAP25) { - mdata = &map->s_type_specific.s_metadata; - iput(mdata->s_metadata_fe); - mdata->s_metadata_fe = NULL; - - iput(mdata->s_mirror_fe); - mdata->s_mirror_fe = NULL; - - iput(mdata->s_bitmap_fe); - mdata->s_bitmap_fe = NULL; - } -} - static int udf_fill_super(struct super_block *sb, void *options, int silent) { - int i; int ret; struct inode *inode = NULL; struct udf_options uopt; @@ -1974,7 +1991,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sb->s_op = &udf_sb_ops; sb->s_export_op = &udf_export_ops; - sb->s_dirt = 0; sb->s_magic = UDF_SUPER_MAGIC; sb->s_time_gran = 1000; @@ -1987,6 +2003,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (!silent) pr_notice("Rescanning with blocksize %d\n", UDF_DEFAULT_BLOCKSIZE); + brelse(sbi->s_lvid_bh); + sbi->s_lvid_bh = NULL; uopt.blocksize = UDF_DEFAULT_BLOCKSIZE; ret = udf_load_vrs(sb, &uopt, silent, &fileset); } @@ -2072,9 +2090,6 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) error_out: if (sbi->s_vat_inode) iput(sbi->s_vat_inode); - if (sbi->s_partitions) - for (i = 0; i < sbi->s_partitions; i++) - udf_free_partition(&sbi->s_partmaps[i]); #ifdef CONFIG_UDF_NLS if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) unload_nls(sbi->s_nls_map); @@ -2082,8 +2097,7 @@ error_out: if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); brelse(sbi->s_lvid_bh); - - kfree(sbi->s_partmaps); + udf_sb_free_partitions(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -2096,10 +2110,6 @@ void _udf_err(struct super_block *sb, const char *function, struct va_format vaf; va_list args; - /* mark sb error */ - if (!(sb->s_flags & MS_RDONLY)) - sb->s_dirt = 1; - va_start(args, fmt); vaf.fmt = fmt; @@ -2128,16 +2138,12 @@ void _udf_warn(struct super_block *sb, const char *function, static void udf_put_super(struct super_block *sb) { - int i; struct udf_sb_info *sbi; sbi = UDF_SB(sb); if (sbi->s_vat_inode) iput(sbi->s_vat_inode); - if (sbi->s_partitions) - for (i = 0; i < sbi->s_partitions; i++) - udf_free_partition(&sbi->s_partmaps[i]); #ifdef CONFIG_UDF_NLS if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) unload_nls(sbi->s_nls_map); @@ -2145,7 +2151,7 @@ static void udf_put_super(struct super_block *sb) if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); brelse(sbi->s_lvid_bh); - kfree(sbi->s_partmaps); + udf_sb_free_partitions(sb); kfree(sb->s_fs_info); sb->s_fs_info = NULL; } @@ -2161,7 +2167,6 @@ static int udf_sync_fs(struct super_block *sb, int wait) * the buffer for IO */ mark_buffer_dirty(sbi->s_lvid_bh); - sb->s_dirt = 0; sbi->s_lvid_dirty = 0; } mutex_unlock(&sbi->s_alloc_mutex); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 4b98fee8e161..8a9657d7f7c6 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -248,7 +248,7 @@ void udf_truncate_extents(struct inode *inode) /* We managed to free all extents in the * indirect extent - free it too */ BUG_ON(!epos.bh); - udf_free_blocks(sb, inode, &epos.block, + udf_free_blocks(sb, NULL, &epos.block, 0, indirect_ext_len); } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; @@ -275,7 +275,7 @@ void udf_truncate_extents(struct inode *inode) if (indirect_ext_len) { BUG_ON(!epos.bh); - udf_free_blocks(sb, inode, &epos.block, 0, indirect_ext_len); + udf_free_blocks(sb, NULL, &epos.block, 0, indirect_ext_len); } else if (!epos.bh) { iinfo->i_lenAlloc = lenalloc; mark_inode_dirty(inode); diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ebe10314e512..de038da6f6bd 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -129,7 +129,6 @@ static inline void udf_updated_lvid(struct super_block *sb) WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) bh->b_data)->integrityType != cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); - sb->s_dirt = 1; UDF_SB(sb)->s_lvid_dirty = 1; } extern u64 lvid_get_unique_id(struct super_block *sb); |