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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/dir.c | 9 ++++----- fs/exfat/exfat_fs.h | 10 ++++++++-- 2 files changed, 12 insertions(+), 7 deletions(-) -- 2.25.1 diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c index c05493fc9124..397ea2d98848 100644 --- a/fs/exfat/dir.c +++ b/fs/exfat/dir.c @@ -61,7 +61,7 @@ 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, loff_t *cpos, struct exfat_dir_entry *dir_entry) { - int i, dentries_per_clu, dentries_per_clu_bits = 0, num_ext; + int i, dentries_per_clu, num_ext; unsigned int type, clu_offset, max_dentries; struct exfat_chain dir, clu; struct exfat_uni_name uni_name; @@ -83,11 +83,10 @@ static int exfat_readdir(struct inode *inode, loff_t *cpos, struct exfat_dir_ent EXFAT_B_TO_CLU(i_size_read(inode), sbi), ei->flags); dentries_per_clu = sbi->dentries_per_clu; - dentries_per_clu_bits = ilog2(dentries_per_clu); max_dentries = (unsigned int)min_t(u64, MAX_EXFAT_DENTRIES, - (u64)sbi->num_clusters << dentries_per_clu_bits); + (u64)EXFAT_CLU_TO_DEN(sbi->num_clusters, sbi)); - clu_offset = dentry >> dentries_per_clu_bits; + clu_offset = EXFAT_DEN_TO_CLU(dentry, sbi); exfat_chain_dup(&clu, &dir); if (clu.flags == ALLOC_NO_FAT_CHAIN) { @@ -162,7 +161,7 @@ static int exfat_readdir(struct inode *inode, loff_t *cpos, struct exfat_dir_ent dir_entry->entry = dentry; brelse(bh); - ei->hint_bmap.off = dentry >> dentries_per_clu_bits; + ei->hint_bmap.off = EXFAT_DEN_TO_CLU(dentry, sbi); ei->hint_bmap.clu = clu.dir; *cpos = EXFAT_DEN_TO_B(dentry + 1 + num_ext); diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 324acc57d029..37e8af8042aa 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -101,11 +101,17 @@ enum { /* * helpers for block size to dentry size conversion. */ -#define EXFAT_B_TO_DEN_IDX(b, sbi) \ - ((b) << ((sbi)->cluster_size_bits - DENTRY_SIZE_BITS)) #define EXFAT_B_TO_DEN(b) ((b) >> DENTRY_SIZE_BITS) #define EXFAT_DEN_TO_B(b) ((b) << DENTRY_SIZE_BITS) +/* + * helpers for cluster size to dentry size conversion. + */ +#define EXFAT_CLU_TO_DEN(clu, sbi) \ + ((clu) << ((sbi)->cluster_size_bits - DENTRY_SIZE_BITS)) +#define EXFAT_DEN_TO_CLU(dentry, sbi) \ + ((dentry) >> ((sbi)->cluster_size_bits - DENTRY_SIZE_BITS)) + /* * helpers for fat entry. */ From patchwork Tue Dec 13 02:36:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32598 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2593450wrr; Mon, 12 Dec 2022 18:39:05 -0800 (PST) X-Google-Smtp-Source: AA0mqf4EoZELcuEOjaaktats/35+AF9NgU/s791rD/wUFJJ1ZMeFJBckPjYB2FXOESewDMV9aHO8 X-Received: by 2002:a05:6a00:7ca:b0:577:3944:aa78 with SMTP id n10-20020a056a0007ca00b005773944aa78mr16861489pfu.0.1670899144681; Mon, 12 Dec 2022 18:39:04 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1670899144; cv=pass; d=google.com; s=arc-20160816; b=DfquYD2iZcHIy2dEtuCOKX3H+TZW1svBlLSR34QnyQT9WDoVVKlLdN5cGs6xyGk/Js Wrfubc1ZRI8Nc9zDl7JkRWSqNFnqNp4O+7h0SBEnpHPoZhQffhS2hGmAd7PXnIczhf+E UjVmZGn6pD9yAkYm7bLFF7ZbR3a3cqCWYUFtdufJDamZGUcTUx2BxChmiR6h8+Fc41E8 4y54nprvE0QXcubmcjSL4TQ0+2k7VB/XP5HSyavV+g48o7tbiZWIxXbwm6P6Jhif01jY +zB1vinStxV0FwL05KOk9H2wFSe8O3TNpbOxAI+/seWf8MH8N8Y+Urks/RI/+RGekzTf iJ5g== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=iBj07h2SdMFEsf8LZAE/mWaTKdfHGp4yQIyyvjn2Kdo=; b=sEYFbtiTcUzwhl5crLX+aGAomeLjVWPn0czInJNoIH7kRYHEqxphkbXSNzCLGd6a6R msdNMtxqdWgPb8cIh6guwR/cXktFBBk5AuIV7jCO6FaRo2doBrqxmAS3DvOwJi9WVV8u S31plg8gBcNk0mCArXnA5UhHpE/L7XMNBDY8RXNxf/+dOtkfQ7tV55zZgrojACWYIRzq EMFQMUXe7Tu/pAcIB4bi8Uujp0W00kinQfhaCcGv2TAGCjm7SVNnYHVyYNFdc1QNjTBf 2EucIXtm/GLtgohfnp4S6ZgBPNDcbIwVek2B80fdas8lhBuUgZPvj3ZpVROagG16ULEr EE7A== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@sony.com header.s=S1 header.b=Vb99SBR7; arc=pass (i=1 spf=pass spfdomain=sony.com dkim=pass dkdomain=sony.com dmarc=pass fromdomain=sony.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sony.com Received: from out1.vger.email (out1.vger.email. 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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/namei.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) -- 2.25.1 diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index 01e4e8c60bbe..347c8df45bd0 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -1175,7 +1175,7 @@ static int __exfat_rename(struct inode *old_parent_inode, struct exfat_inode_info *new_ei = NULL; unsigned int new_entry_type = TYPE_UNUSED; int new_entry = 0; - struct buffer_head *old_bh, *new_bh = NULL; + struct buffer_head *new_bh = NULL; /* check the validity of pointer parameters */ if (new_path == NULL || strlen(new_path) == 0) @@ -1191,13 +1191,6 @@ static int __exfat_rename(struct inode *old_parent_inode, EXFAT_I(old_parent_inode)->flags); dentry = ei->entry; - ep = exfat_get_dentry(sb, &olddir, dentry, &old_bh); - if (!ep) { - ret = -EIO; - goto out; - } - brelse(old_bh); - /* check whether new dir is existing directory and empty */ if (new_inode) { ret = -EIO; From patchwork Tue Dec 13 02:36:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32600 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2593549wrr; Mon, 12 Dec 2022 18:39:30 -0800 (PST) X-Google-Smtp-Source: AA0mqf4jbgM7w0yueTmAHrNCP25JSWKLvFsfS+Q8t41HmWqUCAtLX/6/cbbCP4ROW/mWhgQTDeFE X-Received: by 2002:a05:6a20:3d06:b0:9d:efbe:52c3 with SMTP id y6-20020a056a203d0600b0009defbe52c3mr32208183pzi.51.1670899170057; Mon, 12 Dec 2022 18:39:30 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1670899170; cv=pass; d=google.com; s=arc-20160816; b=zygh8XkMSGjEveHLtpyeuh7s82a+s5OsM/dTfSkBiNAamdlHZhlcrvGn73HHM2NyLI hCeS8GtXnvffulctsEcdieBXzguzYzHtv9K0Fs6GpUmPm1VrGZQ4aUCGPP363UvggpJd aaL/bDQun+u24hcvLcZRpOlYN3XmhwhfKXioNeNXoaL0E/hRvWo+HOrmaerUNIDq00zM AF9ktuVV7MTA09XHE6HV/+naWXm9qu/9zFOOo6J77+gOJ+cOCrZf7ouJyKzAxdvCYnWN /V7TPAZsHfD5Fkacxnq83RT1xx/KPu9tsT6sUrxIXBdsbAimJqUOtjKzKKWQMFha7aqN QBMA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=RsWUC/zRObHxOPv1FlIyfmC6cM7JQtBg9nKz/ys/nhI=; b=WBX+ouZkaCjOgkUsQtJSO/vk6dWxe5r5//eYltmUa2GsD808u7+BFK3udBA+7Q5kFq jDR+NudC+etJXmQzvyNFPCM/eao6BIiqKEcKRlHcuIXA9kM2s5lT46HExBho+5VoepBt l6TOHQkKj1m81M4FRujZpsNOuaGFaob1xs9vePSvSmFpD4Tma5Q9UK2DYHItXkOZeHzi wzzz+rY2OPcM8dGTpBSSul6q4p8cLxLfctQJbxc5WxxSt4jMwZnRWob9pB145OuAnSuM Zv2ZcTEHngnZIhtfQk2+aMHfrqIly8vzbJeq7VFOMafMzx3f3UJUGgGfAkvBQ/iez4e8 P7Bw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@sony.com header.s=S1 header.b=niFKY06E; arc=pass (i=1 spf=pass spfdomain=sony.com dkim=pass dkdomain=sony.com dmarc=pass fromdomain=sony.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sony.com Received: from out1.vger.email (out1.vger.email. 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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/dir.c | 12 +++++++----- fs/exfat/exfat_fs.h | 3 +-- fs/exfat/namei.c | 10 ++-------- 3 files changed, 10 insertions(+), 15 deletions(-) -- 2.25.1 diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c index 397ea2d98848..8121a7e073bc 100644 --- a/fs/exfat/dir.c +++ b/fs/exfat/dir.c @@ -956,7 +956,7 @@ enum { */ int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei, struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname, - int num_entries, unsigned int type, struct exfat_hint *hint_opt) + struct exfat_hint *hint_opt) { int i, rewind = 0, dentry = 0, end_eidx = 0, num_ext = 0, len; int order, step, name_len = 0; @@ -967,6 +967,10 @@ int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei, struct exfat_hint *hint_stat = &ei->hint_stat; struct exfat_hint_femp candi_empty; struct exfat_sb_info *sbi = EXFAT_SB(sb); + int num_entries = exfat_calc_num_entries(p_uniname); + + if (num_entries < 0) + return num_entries; dentries_per_clu = sbi->dentries_per_clu; @@ -1020,10 +1024,8 @@ int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei, step = DIRENT_STEP_FILE; hint_opt->clu = clu.dir; hint_opt->eidx = i; - if (type == TYPE_ALL || type == entry_type) { - num_ext = ep->dentry.file.num_ext; - step = DIRENT_STEP_STRM; - } + num_ext = ep->dentry.file.num_ext; + step = DIRENT_STEP_STRM; brelse(bh); continue; } diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 37e8af8042aa..21fec01d68ff 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -71,7 +71,6 @@ enum { #define TYPE_PADDING 0x0402 #define TYPE_ACLTAB 0x0403 #define TYPE_BENIGN_SEC 0x0800 -#define TYPE_ALL 0x0FFF #define MAX_CHARSET_SIZE 6 /* max size of multi-byte character */ #define MAX_NAME_LENGTH 255 /* max len of file name excluding NULL */ @@ -490,7 +489,7 @@ void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es); int exfat_calc_num_entries(struct exfat_uni_name *p_uniname); int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei, struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname, - int num_entries, unsigned int type, struct exfat_hint *hint_opt); + struct exfat_hint *hint_opt); int exfat_alloc_new_dir(struct inode *inode, struct exfat_chain *clu); struct exfat_dentry *exfat_get_dentry(struct super_block *sb, struct exfat_chain *p_dir, int entry, struct buffer_head **bh); diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index 347c8df45bd0..5f995eba5dbb 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -597,7 +597,7 @@ static int exfat_create(struct user_namespace *mnt_userns, struct inode *dir, static int exfat_find(struct inode *dir, struct qstr *qname, struct exfat_dir_entry *info) { - int ret, dentry, num_entries, count; + int ret, dentry, count; struct exfat_chain cdir; struct exfat_uni_name uni_name; struct super_block *sb = dir->i_sb; @@ -616,10 +616,6 @@ static int exfat_find(struct inode *dir, struct qstr *qname, if (ret) return ret; - num_entries = exfat_calc_num_entries(&uni_name); - if (num_entries < 0) - return num_entries; - /* check the validation of hint_stat and initialize it if required */ if (ei->version != (inode_peek_iversion_raw(dir) & 0xffffffff)) { ei->hint_stat.clu = cdir.dir; @@ -629,9 +625,7 @@ static int exfat_find(struct inode *dir, struct qstr *qname, } /* search the file name for directories */ - dentry = exfat_find_dir_entry(sb, ei, &cdir, &uni_name, - num_entries, TYPE_ALL, &hint_opt); - + dentry = exfat_find_dir_entry(sb, ei, &cdir, &uni_name, &hint_opt); if (dentry < 0) return dentry; /* -error value */ From patchwork Tue Dec 13 02:37:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32601 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2593574wrr; Mon, 12 Dec 2022 18:39:36 -0800 (PST) X-Google-Smtp-Source: AA0mqf4yQ83m1gdDjFFp1ljBi+mcsQO9cpDMPJpP/1dpsDUICQXe9i0GKijd/+BGApfJxObSPfJF X-Received: by 2002:a17:902:eaca:b0:189:5ef4:6ae9 with SMTP id p10-20020a170902eaca00b001895ef46ae9mr18846890pld.45.1670899176603; 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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/exfat_fs.h | 2 +- fs/exfat/file.c | 4 ++-- fs/exfat/inode.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) -- 2.25.1 diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 21fec01d68ff..ae048802f9db 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -449,7 +449,7 @@ int exfat_trim_fs(struct inode *inode, struct fstrim_range *range); /* file.c */ extern const struct file_operations exfat_file_operations; int __exfat_truncate(struct inode *inode, loff_t new_size); -void exfat_truncate(struct inode *inode, loff_t size); +void exfat_truncate(struct inode *inode); int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, struct iattr *attr); int exfat_getattr(struct user_namespace *mnt_userns, const struct path *path, diff --git a/fs/exfat/file.c b/fs/exfat/file.c index 4e0793f35e8f..7c97c1df1305 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -189,7 +189,7 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) return 0; } -void exfat_truncate(struct inode *inode, loff_t size) +void exfat_truncate(struct inode *inode) { struct super_block *sb = inode->i_sb; struct exfat_sb_info *sbi = EXFAT_SB(sb); @@ -310,7 +310,7 @@ int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, * __exfat_write_inode() is called from exfat_truncate(), inode * is already written by it, so mark_inode_dirty() is unneeded. */ - exfat_truncate(inode, attr->ia_size); + exfat_truncate(inode); up_write(&EXFAT_I(inode)->truncate_lock); } else mark_inode_dirty(inode); diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index dac5001bae9e..0d147f8a1f7c 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -362,7 +362,7 @@ static void exfat_write_failed(struct address_space *mapping, loff_t to) if (to > i_size_read(inode)) { truncate_pagecache(inode, i_size_read(inode)); inode->i_mtime = inode->i_ctime = current_time(inode); - exfat_truncate(inode, EXFAT_I(inode)->i_size_aligned); + exfat_truncate(inode); } } From patchwork Tue Dec 13 02:37:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32602 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2594481wrr; Mon, 12 Dec 2022 18:42:47 -0800 (PST) X-Google-Smtp-Source: AA0mqf5DPTTKYrk1ZHcMbQuvPHdjO/nF/abbt7v1Gck2skCxS2EfbNhpFybpyNLud2xhKpnOxI0B X-Received: by 2002:a17:906:5f97:b0:7c0:e0d7:b73a with SMTP id a23-20020a1709065f9700b007c0e0d7b73amr16915632eju.68.1670899367322; Mon, 12 Dec 2022 18:42:47 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1670899367; cv=pass; d=google.com; s=arc-20160816; b=B+DbkDR08ZEsdlG/an5RUlszpZZjqPFmMZ6C79JdPADBhk+27RJzwdajXztV0sfoTd zN8vzhjDzIrmAZkdWY+MzpMd+e8ckYLeLlaWw2S9perp+GhvN+NcnGL0g4NQdTtXki/7 7mMYi+VswMF4KwG6asR4Vj1NLmwxYrCyEKieqpt3J3PsbpEJdHPgpWL9y+nk2EIhoxlM crvvbgtkr/Kk6aJSFOnPNT+xlwE8XBHYxWpQuTMXou1vo+NFiwNukN5D/0Uw29ODotbW uZECObChexwXep7mJAGpXv9BFJ3z075922K46+BAvdpNCaUcqQiBOH7r8s2CrXiOWByo BC/Q== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=PSMaimujD+GcIpTakMpqfamqwhGTGdsLu8ggA+LdFq0=; b=MMU3RIC/YOoFz1KfJ4sc9ANErrK5j7PYPVZKG5juvOVDKAJlv/RgxFrdTPQqT6VUFD yLEuERf8gNeuLWviczgBdkbhvbVFlAwDWA+XgBftZNsO5Sz+FecpLcuRuS12CeuI0rTO Oxtu/J9NAhnM3JG+LMA23D+V5umUJD6XemxDS9QAi0R2W7Yvom88NuZLzcDIlNNJu111 JvZulLLx1KNwijRW1Ak8YpqIzHX+2fK4o0e+ezXbWF4CFisWaUetTzqIYg9ZgahdXPFm ltxmfAf3IAqrK+GVVTHrReXJqceIZ86Cyeqf6HTrwjhHiW5uyJPalixZBCpTnd/PFQre /ttw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@sony.com header.s=S1 header.b=Y1ebObPk; arc=pass (i=1 spf=pass spfdomain=sony.com dkim=pass dkdomain=sony.com dmarc=pass fromdomain=sony.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sony.com Received: from out1.vger.email (out1.vger.email. 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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/exfat_fs.h | 2 +- fs/exfat/file.c | 8 +++----- fs/exfat/inode.c | 2 +- 3 files changed, 5 insertions(+), 7 deletions(-) -- 2.25.1 diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index ae048802f9db..a1e7feb22079 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -448,7 +448,7 @@ int exfat_trim_fs(struct inode *inode, struct fstrim_range *range); /* file.c */ extern const struct file_operations exfat_file_operations; -int __exfat_truncate(struct inode *inode, loff_t new_size); +int __exfat_truncate(struct inode *inode); void exfat_truncate(struct inode *inode); int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, struct iattr *attr); diff --git a/fs/exfat/file.c b/fs/exfat/file.c index 7c97c1df1305..f5b29072775d 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -93,7 +93,7 @@ static int exfat_sanitize_mode(const struct exfat_sb_info *sbi, } /* resize the file length */ -int __exfat_truncate(struct inode *inode, loff_t new_size) +int __exfat_truncate(struct inode *inode) { unsigned int num_clusters_new, num_clusters_phys; unsigned int last_clu = EXFAT_FREE_CLUSTER; @@ -113,7 +113,7 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) exfat_chain_set(&clu, ei->start_clu, num_clusters_phys, ei->flags); - if (new_size > 0) { + if (i_size_read(inode) > 0) { /* * Truncate FAT chain num_clusters after the first cluster * num_clusters = min(new, phys); @@ -143,8 +143,6 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) ei->start_clu = EXFAT_EOF_CLUSTER; } - i_size_write(inode, new_size); - if (ei->type == TYPE_FILE) ei->attr |= ATTR_ARCHIVE; @@ -207,7 +205,7 @@ void exfat_truncate(struct inode *inode) goto write_size; } - err = __exfat_truncate(inode, i_size_read(inode)); + err = __exfat_truncate(inode); if (err) goto write_size; diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 0d147f8a1f7c..95adc4b2e436 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -626,7 +626,7 @@ void exfat_evict_inode(struct inode *inode) if (!inode->i_nlink) { i_size_write(inode, 0); mutex_lock(&EXFAT_SB(inode->i_sb)->s_lock); - __exfat_truncate(inode, 0); + __exfat_truncate(inode); mutex_unlock(&EXFAT_SB(inode->i_sb)->s_lock); } From patchwork Tue Dec 13 02:37:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32603 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2595426wrr; Mon, 12 Dec 2022 18:45:55 -0800 (PST) X-Google-Smtp-Source: AA0mqf6RVaMuv0vrOkfhU3Z2Y6RmKn5F+SNOHlXv7EwzIKpXfGmGpZ3ROJniipknl764XsInjO1q X-Received: by 2002:a17:903:234e:b0:189:e545:7254 with SMTP id c14-20020a170903234e00b00189e5457254mr24817142plh.23.1670899554875; Mon, 12 Dec 2022 18:45:54 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1670899554; cv=pass; d=google.com; s=arc-20160816; b=EezxeWq4+5XYpJ1uV9hkNAWhQ8mi2j+zxLLZ1g36p6M3eigXpgWNrKEnqvLO3gH993 jfyWAOc3r1WMABHDDVhkdSQs5Z+QnjHlPAJsmTarMPOs1vhFx5qCiy8XZJrJXnrOnLxs 60hbxWtrju9m/4/ZjDJZCBqr+RvvoCHhL3FGRT8unJzMF+p7G7BPFXEHPMBb+6VfU8Gy 1l0y2+7rY1ZeZpzwJB2OD6nhMqMuvELwugrl3BAJln9UR6pbsZN/Swte/6bOTy1USOqK QXdYPOy9M1D7V3SVYBMlMu0idof/FnRv8SxHPtAy8PeDukKNXmUBQ6T0G7qkHbU/u/15 EnHw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=dX7eKy0dTsE07ZhSSuBXld0RR7lJHMxB0ctZurNCFAU=; b=I1f33+qogLGfMTULROLxrTYcyRUeGZLja3rbLY6+f7SlAvP5EAjo5PGZrTe5soDk83 6JCxjWMillBgyVZ6yZrX9eCoIXjunUhhxY2R+vphR7JShKBroMRbOHsl8cJ8aw0YbktW pzIQY/fo8CJ1+/g/yCisUl61xiYyqbK7hXNQvTkQNSYRb7gqhusPkybk79MLewgclJf/ E8m5up9IlpHBrTqbZMl4cO1B7rLQ1i5ZYAAngugFLPcIFdqz9vzcUDF76X+aqdq34c+j iRKiPD+ynKtTNfrp6w6c926r1nhPJCRKV+RZnQW26G5gEsc6A91fNbHL8p4tSJoLe6Gi nMjg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@sony.com header.s=S1 header.b=FbxsyL41; arc=pass (i=1 spf=pass spfdomain=sony.com dkim=pass dkdomain=sony.com dmarc=pass fromdomain=sony.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sony.com Received: from out1.vger.email (out1.vger.email. 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Signed-off-by: Yuezhang Mo --- fs/exfat/exfat_fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.25.1 diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index a1e7feb22079..bc6d21d7c5ad 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -400,7 +400,7 @@ static inline sector_t exfat_cluster_to_sector(struct exfat_sb_info *sbi, sbi->data_start_sector; } -static inline int exfat_sector_to_cluster(struct exfat_sb_info *sbi, +static inline unsigned int exfat_sector_to_cluster(struct exfat_sb_info *sbi, sector_t sec) { return ((sec - sbi->data_start_sector) >> sbi->sect_per_clus_bits) + From patchwork Tue Dec 13 02:37:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuezhang.Mo@sony.com" X-Patchwork-Id: 32604 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2596663wrr; Mon, 12 Dec 2022 18:49:36 -0800 (PST) X-Google-Smtp-Source: AA0mqf6E7ORc/SeWum2jDHKG6T/sSvLGkcqEAyv4vwkYsM5ewmztXcDFx1pBO7wNGpk4IeirNzhW X-Received: by 2002:aa7:8818:0:b0:577:9807:543b with SMTP id c24-20020aa78818000000b005779807543bmr19199915pfo.16.1670899776542; Mon, 12 Dec 2022 18:49:36 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1670899776; cv=pass; d=google.com; s=arc-20160816; b=asXYqQS38e/FgVmGjrZoNhVQ0+KjZLCnAgcWyj4j5ZCho8pIfJSwoeC4W0b9PYJ0QX WcFIlLQTTaSxBF+FODcjaa7YkvIXKtupF14P2rrLOHkxLM7+/twxA6Y0ofpdk2hZqoZT YMNfDOJb/4Ve1NJPafvqUbu5P8c9EDLIRbllf4B194Nat1Ouv+EPfI3i/uLKVcXtlxSa jOZzzg/jYstmAJqgZriaoh1CeZyIPGnQ8L0WW9cC0CN1nY75GXmgfNwtZZgktOijd7xH i6CoRNyT0gW7xBcVU7Ev8VgNW01lw+WOpZNNaX4RVG9v6kXX4nOCCrBesKmuQo7tRRZY ouzQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=ltF9uTLyurlLxk/wr/RfDjvUK/5Qter81QMsfjKp15I=; b=lIuOoQxVtdeKy35tprPiK4L/Rx+CbsdPTWm8s5O84eO7Dz40jw6Iw3j1hYlQx9/u3l 1wE9FWb6UGAwnPuSJIXsPopxIfBXX3mj2/c9wVsNnAbU7Fl7cyvYHJq5bSW6QNiqg7+h mTqESpj+zODLCRkBpleQ7ITqtwl95POFbBKk0wYPbgD62dSNa8Hiqtpd48NZcy0Ot7yf /e9bOQPSOd6Nu6cRpAGWBvuVwGkiexb5XSzrRLytFD7T9B+2W4dZQcs4OnUyEPOpekIO G+1T8HLncqxbfrsdeWhZKvYxHZSUpNUx9mwEff1m8f61vZb4SNnC6eEwAo5MedzaZvuk XqNw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@sony.com header.s=S1 header.b=ohkH+aWB; arc=pass (i=1 spf=pass spfdomain=sony.com dkim=pass dkdomain=sony.com dmarc=pass fromdomain=sony.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sony.com Received: from out1.vger.email (out1.vger.email. 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Code refinement, no functional changes. Signed-off-by: Yuezhang Mo Reviewed-by: Andy Wu Reviewed-by: Aoyama Wataru --- fs/exfat/dir.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) -- 2.25.1 diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c index 8121a7e073bc..1dfa67f307f1 100644 --- a/fs/exfat/dir.c +++ b/fs/exfat/dir.c @@ -818,7 +818,7 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es, unsigned int type) { int ret, i, num_bh; - unsigned int off, byte_offset, clu = 0; + unsigned int off; sector_t sec; struct exfat_sb_info *sbi = EXFAT_SB(sb); struct exfat_dentry *ep; @@ -831,27 +831,16 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es, return -EIO; } - byte_offset = EXFAT_DEN_TO_B(entry); - ret = exfat_walk_fat_chain(sb, p_dir, byte_offset, &clu); + ret = exfat_find_location(sb, p_dir, entry, &sec, &off); if (ret) return ret; memset(es, 0, sizeof(*es)); es->sb = sb; es->modified = false; - - /* byte offset in cluster */ - byte_offset = EXFAT_CLU_OFFSET(byte_offset, sbi); - - /* byte offset in sector */ - off = EXFAT_BLK_OFFSET(byte_offset, sb); es->start_off = off; es->bh = es->__bh; - /* sector offset in cluster */ - sec = EXFAT_B_TO_BLK(byte_offset, sb); - sec += exfat_cluster_to_sector(sbi, clu); - bh = sb_bread(sb, sec); if (!bh) return -EIO; @@ -878,6 +867,8 @@ int exfat_get_dentry_set(struct exfat_entry_set_cache *es, for (i = 1; i < num_bh; i++) { /* get the next sector */ if (exfat_is_last_sector_in_cluster(sbi, sec)) { + unsigned int clu = exfat_sector_to_cluster(sbi, sec); + if (p_dir->flags == ALLOC_NO_FAT_CHAIN) clu++; else if (exfat_get_next_cluster(sb, &clu))