diff --git a/dir.c b/dir.c index a11cd131c984..308e5e7579cf 100644 --- a/dir.c +++ b/dir.c @@ -60,9 +60,9 @@ static void exfat_get_uniname_from_ext_entry(struct super_block *sb, } /* read a directory entry from the opened directory */ -static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry) +static int exfat_readdir(struct inode *inode, loff_t *cpos, struct exfat_dir_entry *dir_entry) { - int i, dentries_per_clu, dentries_per_clu_bits = 0; + int i, dentries_per_clu, dentries_per_clu_bits = 0, num_ext; unsigned int type, clu_offset; sector_t sector; struct exfat_chain dir, clu; @@ -71,7 +71,7 @@ static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry) struct super_block *sb = inode->i_sb; struct exfat_sb_info *sbi = EXFAT_SB(sb); struct exfat_inode_info *ei = EXFAT_I(inode); - unsigned int dentry = ei->rwoffset & 0xFFFFFFFF; + unsigned int dentry = EXFAT_B_TO_DEN(*cpos) & 0xFFFFFFFF; struct buffer_head *bh; /* check if the given file ID is opened */ @@ -128,6 +128,7 @@ static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry) continue; } + num_ext = ep->dentry.file.num_ext; dir_entry->attr = le16_to_cpu(ep->dentry.file.attr); exfat_get_entry_time(sbi, &dir_entry->crtime, ep->dentry.file.create_tz, @@ -158,12 +159,13 @@ static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry) return -EIO; dir_entry->size = le64_to_cpu(ep->dentry.stream.valid_size); + dir_entry->entry = dentry; brelse(bh); ei->hint_bmap.off = dentry >> dentries_per_clu_bits; ei->hint_bmap.clu = clu.dir; - ei->rwoffset = ++dentry; + *cpos = EXFAT_DEN_TO_B(dentry + 1 + num_ext); return 0; } @@ -179,7 +181,7 @@ static int exfat_readdir(struct inode *inode, struct exfat_dir_entry *dir_entry) } dir_entry->namebuf.lfn[0] = '\0'; - ei->rwoffset = dentry; + *cpos = EXFAT_DEN_TO_B(dentry); return 0; } @@ -243,12 +245,10 @@ static int exfat_iterate(struct file *filp, struct dir_context *ctx) if (err) goto unlock; get_new: - ei->rwoffset = EXFAT_B_TO_DEN(cpos); - if (cpos >= i_size_read(inode)) goto end_of_dir; - err = exfat_readdir(inode, &de); + err = exfat_readdir(inode, &cpos, &de); if (err) { /* * At least we tried to read a sector. Move cpos to next sector @@ -263,13 +263,10 @@ get_new: goto end_of_dir; } - cpos = EXFAT_DEN_TO_B(ei->rwoffset); - if (!nb->lfn[0]) goto end_of_dir; - i_pos = ((loff_t)ei->start_clu << 32) | - ((ei->rwoffset - 1) & 0xffffffff); + i_pos = ((loff_t)ei->start_clu << 32) | (de.entry & 0xffffffff); tmp = exfat_iget(sb, i_pos); if (tmp) { inum = tmp->i_ino; diff --git a/exfat_fs.h b/exfat_fs.h index 31f95c751744..08030246cd0c 100644 --- a/exfat_fs.h +++ b/exfat_fs.h @@ -272,8 +272,6 @@ struct exfat_inode_info { * the validation of hint_stat. */ unsigned int version; - /* file offset or dentry index for readdir */ - loff_t rwoffset; /* hint for cluster last accessed */ struct exfat_hint hint_bmap; diff --git a/file.c b/file.c index f0596e0e15c7..1c2726066ce6 100644 --- a/file.c +++ b/file.c @@ -225,8 +225,6 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) /* hint information */ ei->hint_bmap.off = EXFAT_EOF_CLUSTER; ei->hint_bmap.clu = EXFAT_EOF_CLUSTER; - if (ei->rwoffset > new_size) - ei->rwoffset = new_size; /* hint_stat will be used if this is directory. */ ei->hint_stat.eidx = 0; diff --git a/inode.c b/inode.c index e4050c997f21..2b6e1231f127 100644 --- a/inode.c +++ b/inode.c @@ -116,8 +116,6 @@ static int exfat_map_cluster(struct inode *inode, unsigned int clu_offset, unsigned int local_clu_offset = clu_offset; unsigned int num_to_be_allocated = 0, num_clusters = 0; - ei->rwoffset = EXFAT_CLU_TO_B(clu_offset, sbi); - if (EXFAT_I(inode)->i_size_ondisk > 0) num_clusters = EXFAT_B_TO_CLU_ROUND_UP(EXFAT_I(inode)->i_size_ondisk, @@ -595,7 +593,6 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info) ei->hint_stat.eidx = 0; ei->hint_stat.clu = info->start_clu; ei->hint_femp.eidx = EXFAT_HINT_NONE; - ei->rwoffset = 0; ei->hint_bmap.off = EXFAT_EOF_CLUSTER; ei->i_pos = 0; diff --git a/super.c b/super.c index 5014c13c6382..177a724ef4e5 100644 --- a/super.c +++ b/super.c @@ -577,7 +577,6 @@ static int exfat_read_root(struct inode *inode) ei->flags = ALLOC_FAT_CHAIN; ei->type = TYPE_DIR; ei->version = 0; - ei->rwoffset = 0; ei->hint_bmap.off = EXFAT_EOF_CLUSTER; ei->hint_stat.eidx = 0; ei->hint_stat.clu = sbi->root_dir;