From patchwork Tue May 8 18:04:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Fasheh X-Patchwork-Id: 10386929 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DC30A602C2 for ; Tue, 8 May 2018 18:10:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB5082968D for ; Tue, 8 May 2018 18:10:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B6A5A29695; Tue, 8 May 2018 18:10:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3A6D72942D for ; Tue, 8 May 2018 18:10:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933093AbeEHSKM (ORCPT ); Tue, 8 May 2018 14:10:12 -0400 Received: from mx2.suse.de ([195.135.220.15]:54289 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755864AbeEHSG1 (ORCPT ); Tue, 8 May 2018 14:06:27 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id B6F2EAD4A; Tue, 8 May 2018 18:06:26 +0000 (UTC) From: Mark Fasheh To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, Mark Fasheh Subject: [PATCH 68/76] fs/sysv: Use inode_sb() helper instead of inode->i_sb Date: Tue, 8 May 2018 11:04:28 -0700 Message-Id: <20180508180436.716-69-mfasheh@suse.de> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180508180436.716-1-mfasheh@suse.de> References: <20180508180436.716-1-mfasheh@suse.de> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Mark Fasheh --- fs/sysv/dir.c | 12 ++++++------ fs/sysv/ialloc.c | 8 ++++---- fs/sysv/inode.c | 6 +++--- fs/sysv/itree.c | 29 +++++++++++++++-------------- fs/sysv/namei.c | 4 ++-- 5 files changed, 30 insertions(+), 29 deletions(-) diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 88e38cd8f5c9..84a11fda6a28 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -65,7 +65,7 @@ static int sysv_readdir(struct file *file, struct dir_context *ctx) { unsigned long pos = ctx->pos; struct inode *inode = file_inode(file); - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); unsigned long npages = dir_pages(inode); unsigned offset; unsigned long n; @@ -214,7 +214,7 @@ int sysv_add_link(struct dentry *dentry, struct inode *inode) goto out_unlock; memcpy (de->name, name, namelen); memset (de->name + namelen, 0, SYSV_DIRSIZE - namelen - 2); - de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); + de->inode = cpu_to_fs16(SYSV_SB(inode_sb(inode)), inode->i_ino); err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); @@ -265,10 +265,10 @@ int sysv_make_empty(struct inode *inode, struct inode *dir) memset(base, 0, PAGE_SIZE); de = (struct sysv_dir_entry *) base; - de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); + de->inode = cpu_to_fs16(SYSV_SB(inode_sb(inode)), inode->i_ino); strcpy(de->name,"."); de++; - de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), dir->i_ino); + de->inode = cpu_to_fs16(SYSV_SB(inode_sb(inode)), dir->i_ino); strcpy(de->name,".."); kunmap(page); @@ -283,7 +283,7 @@ int sysv_make_empty(struct inode *inode, struct inode *dir) */ int sysv_empty_dir(struct inode * inode) { - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); struct page *page = NULL; unsigned long i, npages = dir_pages(inode); @@ -335,7 +335,7 @@ void sysv_set_link(struct sysv_dir_entry *de, struct page *page, lock_page(page); err = sysv_prepare_chunk(page, pos, SYSV_DIRSIZE); BUG_ON(err); - de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); + de->inode = cpu_to_fs16(SYSV_SB(inode_sb(inode)), inode->i_ino); err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir_put_page(page); dir->i_mtime = dir->i_ctime = current_time(dir); diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c index 6c9801986af6..2515367bf047 100644 --- a/fs/sysv/ialloc.c +++ b/fs/sysv/ialloc.c @@ -100,14 +100,14 @@ static int refill_free_cache(struct super_block *sb) void sysv_free_inode(struct inode * inode) { - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); struct sysv_sb_info *sbi = SYSV_SB(sb); unsigned int ino; struct buffer_head * bh; struct sysv_inode * raw_inode; unsigned count; - sb = inode->i_sb; + sb = inode_sb(inode); ino = inode->i_ino; if (ino <= SYSV_ROOT_INO || ino > sbi->s_ninodes) { printk("sysv_free_inode: inode 0,1,2 or nonexistent inode\n"); @@ -116,7 +116,7 @@ void sysv_free_inode(struct inode * inode) raw_inode = sysv_raw_inode(sb, ino, &bh); if (!raw_inode) { printk("sysv_free_inode: unable to read inode block on device " - "%s\n", inode->i_sb->s_id); + "%s\n", inode_sb(inode)->s_id); return; } mutex_lock(&sbi->s_lock); @@ -135,7 +135,7 @@ void sysv_free_inode(struct inode * inode) struct inode * sysv_new_inode(const struct inode * dir, umode_t mode) { - struct super_block *sb = dir->i_sb; + struct super_block *sb = inode_sb(dir); struct sysv_sb_info *sbi = SYSV_SB(sb); struct inode *inode; sysv_ino_t ino; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index bec9f79adb25..9d04a4a2c248 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -192,7 +192,7 @@ struct inode *sysv_iget(struct super_block *sb, unsigned int ino) raw_inode = sysv_raw_inode(sb, ino, &bh); if (!raw_inode) { printk("Major problem: unable to read inode from dev %s\n", - inode->i_sb->s_id); + inode_sb(inode)->s_id); goto bad_inode; } /* SystemV FS: kludge permissions if ino==SYSV_ROOT_INO ?? */ @@ -230,7 +230,7 @@ struct inode *sysv_iget(struct super_block *sb, unsigned int ino) static int __sysv_write_inode(struct inode *inode, int wait) { - struct super_block * sb = inode->i_sb; + struct super_block * sb = inode_sb(inode); struct sysv_sb_info * sbi = SYSV_SB(sb); struct buffer_head * bh; struct sysv_inode * raw_inode; @@ -241,7 +241,7 @@ static int __sysv_write_inode(struct inode *inode, int wait) ino = inode->i_ino; if (!ino || ino > sbi->s_ninodes) { printk("Bad inode number on dev %s: %d is out of range\n", - inode->i_sb->s_id, ino); + inode_sb(inode)->s_id, ino); return -EIO; } raw_inode = sysv_raw_inode(sb, ino, &bh); diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index bcb67b0cabe7..f69d30bc4217 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -22,7 +22,7 @@ static inline void dirty_indirect(struct buffer_head *bh, struct inode *inode) static int block_to_path(struct inode *inode, long block, int offsets[DEPTH]) { - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); struct sysv_sb_info *sbi = SYSV_SB(sb); int ptrs_bits = sbi->s_ind_per_block_bits; unsigned long indirect_blocks = sbi->s_ind_per_block, @@ -91,7 +91,7 @@ static Indirect *get_branch(struct inode *inode, Indirect chain[], int *err) { - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); Indirect *p = chain; struct buffer_head *bh; @@ -127,24 +127,25 @@ static int alloc_branch(struct inode *inode, int *offsets, Indirect *branch) { - int blocksize = inode->i_sb->s_blocksize; + int blocksize = inode_sb(inode)->s_blocksize; int n = 0; int i; - branch[0].key = sysv_new_block(inode->i_sb); + branch[0].key = sysv_new_block(inode_sb(inode)); if (branch[0].key) for (n = 1; n < num; n++) { struct buffer_head *bh; int parent; /* Allocate the next block */ - branch[n].key = sysv_new_block(inode->i_sb); + branch[n].key = sysv_new_block(inode_sb(inode)); if (!branch[n].key) break; /* * Get buffer_head for parent block, zero it out and set * the pointer to new one, then send parent to disk. */ - parent = block_to_cpu(SYSV_SB(inode->i_sb), branch[n-1].key); - bh = sb_getblk(inode->i_sb, parent); + parent = block_to_cpu(SYSV_SB(inode_sb(inode)), + branch[n-1].key); + bh = sb_getblk(inode_sb(inode), parent); lock_buffer(bh); memset(bh->b_data, 0, blocksize); branch[n].bh = bh; @@ -161,7 +162,7 @@ static int alloc_branch(struct inode *inode, for (i = 1; i < n; i++) bforget(branch[i].bh); for (i = 0; i < n; i++) - sysv_free_block(inode->i_sb, branch[i].key); + sysv_free_block(inode_sb(inode), branch[i].key); return -ENOSPC; } @@ -196,7 +197,7 @@ static inline int splice_branch(struct inode *inode, for (i = 1; i < num; i++) bforget(where[i].bh); for (i = 0; i < num; i++) - sysv_free_block(inode->i_sb, where[i].key); + sysv_free_block(inode_sb(inode), where[i].key); return -EAGAIN; } @@ -205,7 +206,7 @@ static int get_block(struct inode *inode, sector_t iblock, struct buffer_head *b int err = -EIO; int offsets[DEPTH]; Indirect chain[DEPTH]; - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); Indirect *partial; int left; int depth = block_to_path(inode, iblock, offsets); @@ -329,7 +330,7 @@ static inline void free_data(struct inode *inode, sysv_zone_t *p, sysv_zone_t *q sysv_zone_t nr = *p; if (nr) { *p = 0; - sysv_free_block(inode->i_sb, nr); + sysv_free_block(inode_sb(inode), nr); mark_inode_dirty(inode); } } @@ -338,7 +339,7 @@ static inline void free_data(struct inode *inode, sysv_zone_t *p, sysv_zone_t *q static void free_branches(struct inode *inode, sysv_zone_t *p, sysv_zone_t *q, int depth) { struct buffer_head * bh; - struct super_block *sb = inode->i_sb; + struct super_block *sb = inode_sb(inode); if (depth--) { for ( ; p < q ; p++) { @@ -376,9 +377,9 @@ void sysv_truncate (struct inode * inode) S_ISLNK(inode->i_mode))) return; - blocksize = inode->i_sb->s_blocksize; + blocksize = inode_sb(inode)->s_blocksize; iblock = (inode->i_size + blocksize-1) - >> inode->i_sb->s_blocksize_bits; + >> inode_sb(inode)->s_blocksize_bits; block_truncate_page(inode->i_mapping, inode->i_size, get_block); diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index 250b0755b908..31f0fa48e273 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -53,7 +53,7 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, un ino = sysv_inode_by_name(dentry); if (ino) { - inode = sysv_iget(dir->i_sb, ino); + inode = sysv_iget(inode_sb(dir), ino); if (IS_ERR(inode)) return ERR_CAST(inode); } @@ -92,7 +92,7 @@ static int sysv_symlink(struct inode * dir, struct dentry * dentry, int l = strlen(symname)+1; struct inode * inode; - if (l > dir->i_sb->s_blocksize) + if (l > inode_sb(dir)->s_blocksize) goto out; inode = sysv_new_inode(dir, S_IFLNK|0777);