Signed-off-by: Mark Fasheh <mfas...@suse.de>
---
 fs/ext2/balloc.c     | 10 +++----
 fs/ext2/dir.c        | 32 ++++++++++----------
 fs/ext2/file.c       |  6 ++--
 fs/ext2/ialloc.c     | 16 +++++-----
 fs/ext2/inode.c      | 82 +++++++++++++++++++++++++++-------------------------
 fs/ext2/ioctl.c      |  4 +--
 fs/ext2/namei.c      | 14 ++++-----
 fs/ext2/xattr.c      | 59 ++++++++++++++++++-------------------
 fs/ext2/xattr_user.c |  4 +--
 9 files changed, 115 insertions(+), 112 deletions(-)

diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 33db13365c5e..0ac54114ea9a 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -413,7 +413,7 @@ void ext2_init_block_alloc_info(struct inode *inode)
 {
        struct ext2_inode_info *ei = EXT2_I(inode);
        struct ext2_block_alloc_info *block_i;
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
 
        block_i = kmalloc(sizeof(*block_i), GFP_NOFS);
        if (block_i) {
@@ -455,7 +455,7 @@ void ext2_discard_reservation(struct inode *inode)
        struct ext2_inode_info *ei = EXT2_I(inode);
        struct ext2_block_alloc_info *block_i = ei->i_block_alloc_info;
        struct ext2_reserve_window_node *rsv;
-       spinlock_t *rsv_lock = &EXT2_SB(inode->i_sb)->s_rsv_window_lock;
+       spinlock_t *rsv_lock = &EXT2_SB(inode_sb(inode))->s_rsv_window_lock;
 
        if (!block_i)
                return;
@@ -464,7 +464,7 @@ void ext2_discard_reservation(struct inode *inode)
        if (!rsv_is_empty(&rsv->rsv_window)) {
                spin_lock(rsv_lock);
                if (!rsv_is_empty(&rsv->rsv_window))
-                       rsv_window_remove(inode->i_sb, rsv);
+                       rsv_window_remove(inode_sb(inode), rsv);
                spin_unlock(rsv_lock);
        }
 }
@@ -484,7 +484,7 @@ void ext2_free_blocks (struct inode * inode, unsigned long 
block,
        unsigned long bit;
        unsigned long i;
        unsigned long overflow;
-       struct super_block * sb = inode->i_sb;
+       struct super_block * sb = inode_sb(inode);
        struct ext2_sb_info * sbi = EXT2_SB(sb);
        struct ext2_group_desc * desc;
        struct ext2_super_block * es = sbi->s_es;
@@ -1255,7 +1255,7 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, 
ext2_fsblk_t goal,
        int ret;
 
        *errp = -ENOSPC;
-       sb = inode->i_sb;
+       sb = inode_sb(inode);
 
        /*
         * Check quota for allocation of this block.
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 3b8114def693..b9565d7b86e8 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -63,7 +63,7 @@ static inline __le16 ext2_rec_len_to_disk(unsigned len)
  */
 static inline unsigned ext2_chunk_size(struct inode *inode)
 {
-       return inode->i_sb->s_blocksize;
+       return inode_sb(inode)->s_blocksize;
 }
 
 static inline void ext2_put_page(struct page *page)
@@ -115,7 +115,7 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, 
unsigned len)
 static bool ext2_check_page(struct page *page, int quiet)
 {
        struct inode *dir = page->mapping->host;
-       struct super_block *sb = dir->i_sb;
+       struct super_block *sb = inode_sb(dir);
        unsigned chunk_size = ext2_chunk_size(dir);
        char *kaddr = page_address(page);
        u32 max_inumber = le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count);
@@ -277,7 +277,7 @@ static unsigned char ext2_type_by_mode[S_IFMT >> S_SHIFT] = 
{
 static inline void ext2_set_de_type(ext2_dirent *de, struct inode *inode)
 {
        umode_t mode = inode->i_mode;
-       if (EXT2_HAS_INCOMPAT_FEATURE(inode->i_sb, 
EXT2_FEATURE_INCOMPAT_FILETYPE))
+       if (EXT2_HAS_INCOMPAT_FEATURE(inode_sb(inode), 
EXT2_FEATURE_INCOMPAT_FILETYPE))
                de->file_type = ext2_type_by_mode[(mode & S_IFMT)>>S_SHIFT];
        else
                de->file_type = 0;
@@ -288,7 +288,7 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
 {
        loff_t pos = ctx->pos;
        struct inode *inode = file_inode(file);
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        unsigned int offset = pos & ~PAGE_MASK;
        unsigned long n = pos >> PAGE_SHIFT;
        unsigned long npages = dir_pages(inode);
@@ -392,8 +392,8 @@ struct ext2_dir_entry_2 *ext2_find_entry (struct inode *dir,
                        kaddr += ext2_last_byte(dir, n) - reclen;
                        while ((char *) de <= kaddr) {
                                if (de->rec_len == 0) {
-                                       ext2_error(dir->i_sb, __func__,
-                                               "zero-length directory entry");
+                                       ext2_error(inode_sb(dir), __func__,
+                                                  "zero-length directory 
entry");
                                        ext2_put_page(page);
                                        goto out;
                                }
@@ -409,10 +409,10 @@ struct ext2_dir_entry_2 *ext2_find_entry (struct inode 
*dir,
                        n = 0;
                /* next page is past the blocks we've got */
                if (unlikely(n > (dir->i_blocks >> (PAGE_SHIFT - 9)))) {
-                       ext2_error(dir->i_sb, __func__,
-                               "dir %lu size %lld exceeds block count %llu",
-                               dir->i_ino, dir->i_size,
-                               (unsigned long long)dir->i_blocks);
+                       ext2_error(inode_sb(dir), __func__,
+                                  "dir %lu size %lld exceeds block count %llu",
+                                  dir->i_ino, dir->i_size,
+                                  (unsigned long long)dir->i_blocks);
                        goto out;
                }
        } while (n != start);
@@ -524,8 +524,8 @@ int ext2_add_link (struct dentry *dentry, struct inode 
*inode)
                                goto got_it;
                        }
                        if (de->rec_len == 0) {
-                               ext2_error(dir->i_sb, __func__,
-                                       "zero-length directory entry");
+                               ext2_error(inode_sb(dir), __func__,
+                                          "zero-length directory entry");
                                err = -EIO;
                                goto out_unlock;
                        }
@@ -594,8 +594,8 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, 
struct page * page )
 
        while ((char*)de < (char*)dir) {
                if (de->rec_len == 0) {
-                       ext2_error(inode->i_sb, __func__,
-                               "zero-length directory entry");
+                       ext2_error(inode_sb(inode), __func__,
+                                  "zero-length directory entry");
                        err = -EIO;
                        goto out;
                }
@@ -686,8 +686,8 @@ int ext2_empty_dir (struct inode * inode)
 
                while ((char *)de <= kaddr) {
                        if (de->rec_len == 0) {
-                               ext2_error(inode->i_sb, __func__,
-                                       "zero-length directory entry");
+                               ext2_error(inode_sb(inode), __func__,
+                                          "zero-length directory entry");
                                printk("kaddr=%p, de=%p\n", kaddr, de);
                                goto not_empty;
                        }
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 09640220fda8..b7279d6ad130 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -95,7 +95,7 @@ static int ext2_dax_fault(struct vm_fault *vmf)
        int ret;
 
        if (vmf->flags & FAULT_FLAG_WRITE) {
-               sb_start_pagefault(inode->i_sb);
+               sb_start_pagefault(inode_sb(inode));
                file_update_time(vmf->vma->vm_file);
        }
        down_read(&ei->dax_sem);
@@ -104,7 +104,7 @@ static int ext2_dax_fault(struct vm_fault *vmf)
 
        up_read(&ei->dax_sem);
        if (vmf->flags & FAULT_FLAG_WRITE)
-               sb_end_pagefault(inode->i_sb);
+               sb_end_pagefault(inode_sb(inode));
        return ret;
 }
 
@@ -151,7 +151,7 @@ static int ext2_release_file (struct inode * inode, struct 
file * filp)
 int ext2_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
        int ret;
-       struct super_block *sb = file->f_mapping->host->i_sb;
+       struct super_block *sb = inode_sb(file->f_mapping->host);
 
        ret = generic_file_fsync(file, start, end, datasync);
        if (ret == -EIO)
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 6484199b35d1..549a0e7efec1 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -103,7 +103,7 @@ static void ext2_release_inode(struct super_block *sb, int 
group, int dir)
  */
 void ext2_free_inode (struct inode * inode)
 {
-       struct super_block * sb = inode->i_sb;
+       struct super_block * sb = inode_sb(inode);
        int is_directory;
        unsigned long ino;
        struct buffer_head *bitmap_bh;
@@ -177,19 +177,19 @@ static void ext2_preread_inode(struct inode *inode)
        if (bdi_write_congested(bdi))
                return;
 
-       block_group = (inode->i_ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb);
-       gdp = ext2_get_group_desc(inode->i_sb, block_group, NULL);
+       block_group = (inode->i_ino - 1) / 
EXT2_INODES_PER_GROUP(inode_sb(inode));
+       gdp = ext2_get_group_desc(inode_sb(inode), block_group, NULL);
        if (gdp == NULL)
                return;
 
        /*
         * Figure out the offset within the block group inode table
         */
-       offset = ((inode->i_ino - 1) % EXT2_INODES_PER_GROUP(inode->i_sb)) *
-                               EXT2_INODE_SIZE(inode->i_sb);
+       offset = ((inode->i_ino - 1) % EXT2_INODES_PER_GROUP(inode_sb(inode))) *
+                               EXT2_INODE_SIZE(inode_sb(inode));
        block = le32_to_cpu(gdp->bg_inode_table) +
-                               (offset >> EXT2_BLOCK_SIZE_BITS(inode->i_sb));
-       sb_breadahead(inode->i_sb, block);
+                               (offset >> 
EXT2_BLOCK_SIZE_BITS(inode_sb(inode)));
+       sb_breadahead(inode_sb(inode), block);
 }
 
 /*
@@ -443,7 +443,7 @@ struct inode *ext2_new_inode(struct inode *dir, umode_t 
mode,
        struct ext2_sb_info *sbi;
        int err;
 
-       sb = dir->i_sb;
+       sb = inode_sb(dir);
        inode = new_inode(sb);
        if (!inode)
                return ERR_PTR(-ENOMEM);
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 9b2ac55ac34f..47b7129f2db7 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -48,7 +48,7 @@ static int __ext2_write_inode(struct inode *inode, int 
do_sync);
 static inline int ext2_inode_is_fast_symlink(struct inode *inode)
 {
        int ea_blocks = EXT2_I(inode)->i_file_acl ?
-               (inode->i_sb->s_blocksize >> 9) : 0;
+               (inode_sb(inode)->s_blocksize >> 9) : 0;
 
        return (S_ISLNK(inode->i_mode) &&
                inode->i_blocks - ea_blocks == 0);
@@ -84,7 +84,7 @@ void ext2_evict_inode(struct inode * inode)
        truncate_inode_pages_final(&inode->i_data);
 
        if (want_delete) {
-               sb_start_intwrite(inode->i_sb);
+               sb_start_intwrite(inode_sb(inode));
                /* set dtime */
                EXT2_I(inode)->i_dtime  = get_seconds();
                mark_inode_dirty(inode);
@@ -107,7 +107,7 @@ void ext2_evict_inode(struct inode * inode)
 
        if (want_delete) {
                ext2_free_inode(inode);
-               sb_end_intwrite(inode->i_sb);
+               sb_end_intwrite(inode_sb(inode));
        }
 }
 
@@ -147,7 +147,7 @@ static inline int verify_chain(Indirect *from, Indirect *to)
  *
  *     Note: function doesn't find node addresses, so no IO is needed. All
  *     we need to know is the capacity of indirect blocks (taken from the
- *     inode->i_sb).
+ *     inode_sb(inode)).
  */
 
 /*
@@ -163,8 +163,8 @@ static inline int verify_chain(Indirect *from, Indirect *to)
 static int ext2_block_to_path(struct inode *inode,
                        long i_block, int offsets[4], int *boundary)
 {
-       int ptrs = EXT2_ADDR_PER_BLOCK(inode->i_sb);
-       int ptrs_bits = EXT2_ADDR_PER_BLOCK_BITS(inode->i_sb);
+       int ptrs = EXT2_ADDR_PER_BLOCK(inode_sb(inode));
+       int ptrs_bits = EXT2_ADDR_PER_BLOCK_BITS(inode_sb(inode));
        const long direct_blocks = EXT2_NDIR_BLOCKS,
                indirect_blocks = ptrs,
                double_blocks = (1 << (ptrs_bits * 2));
@@ -172,8 +172,8 @@ static int ext2_block_to_path(struct inode *inode,
        int final = 0;
 
        if (i_block < 0) {
-               ext2_msg(inode->i_sb, KERN_WARNING,
-                       "warning: %s: block < 0", __func__);
+               ext2_msg(inode_sb(inode), KERN_WARNING,
+                        "warning: %s: block < 0", __func__);
        } else if (i_block < direct_blocks) {
                offsets[n++] = i_block;
                final = direct_blocks;
@@ -193,8 +193,8 @@ static int ext2_block_to_path(struct inode *inode,
                offsets[n++] = i_block & (ptrs - 1);
                final = ptrs;
        } else {
-               ext2_msg(inode->i_sb, KERN_WARNING,
-                       "warning: %s: block is too big", __func__);
+               ext2_msg(inode_sb(inode), KERN_WARNING,
+                        "warning: %s: block is too big", __func__);
        }
        if (boundary)
                *boundary = final - 1 - (i_block & (ptrs - 1));
@@ -237,7 +237,7 @@ static Indirect *ext2_get_branch(struct inode *inode,
                                 Indirect chain[4],
                                 int *err)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        Indirect *p = chain;
        struct buffer_head *bh;
 
@@ -312,9 +312,10 @@ static ext2_fsblk_t ext2_find_near(struct inode *inode, 
Indirect *ind)
         * It is going to be referred from inode itself? OK, just put it into
         * the same cylinder group then.
         */
-       bg_start = ext2_group_first_block_no(inode->i_sb, ei->i_block_group);
+       bg_start = ext2_group_first_block_no(inode_sb(inode),
+                                            ei->i_block_group);
        colour = (current->pid % 16) *
-                       (EXT2_BLOCKS_PER_GROUP(inode->i_sb) / 16);
+                       (EXT2_BLOCKS_PER_GROUP(inode_sb(inode)) / 16);
        return bg_start + colour;
 }
 
@@ -477,7 +478,7 @@ static int ext2_alloc_branch(struct inode *inode,
                        int indirect_blks, int *blks, ext2_fsblk_t goal,
                        int *offsets, Indirect *branch)
 {
-       int blocksize = inode->i_sb->s_blocksize;
+       int blocksize = inode_sb(inode)->s_blocksize;
        int i, n = 0;
        int err = 0;
        struct buffer_head *bh;
@@ -500,7 +501,7 @@ static int ext2_alloc_branch(struct inode *inode,
                 * and set the pointer to new one, then send
                 * parent to disk.
                 */
-               bh = sb_getblk(inode->i_sb, new_blocks[n-1]);
+               bh = sb_getblk(inode_sb(inode), new_blocks[n-1]);
                if (unlikely(!bh)) {
                        err = -ENOMEM;
                        goto failed;
@@ -738,7 +739,7 @@ static int ext2_get_blocks(struct inode *inode,
                 * We must unmap blocks before zeroing so that writeback cannot
                 * overwrite zeros with stale data from block device page cache.
                 */
-               clean_bdev_aliases(inode->i_sb->s_bdev,
+               clean_bdev_aliases(inode_sb(inode)->s_bdev,
                                   le32_to_cpu(chain[depth-1].key),
                                   count);
                /*
@@ -746,9 +747,9 @@ static int ext2_get_blocks(struct inode *inode,
                 * so that it's not found by another thread before it's
                 * initialised
                 */
-               err = sb_issue_zeroout(inode->i_sb,
-                               le32_to_cpu(chain[depth-1].key), count,
-                               GFP_NOFS);
+               err = sb_issue_zeroout(inode_sb(inode),
+                                      le32_to_cpu(chain[depth-1].key), count,
+                                      GFP_NOFS);
                if (err) {
                        mutex_unlock(&ei->truncate_mutex);
                        goto cleanup;
@@ -787,7 +788,7 @@ int ext2_get_block(struct inode *inode, sector_t iblock,
        if (ret <= 0)
                return ret;
 
-       map_bh(bh_result, inode->i_sb, bno);
+       map_bh(bh_result, inode_sb(inode), bno);
        bh_result->b_size = (ret << inode->i_blkbits);
        if (new)
                set_buffer_new(bh_result);
@@ -804,7 +805,7 @@ static int ext2_iomap_begin(struct inode *inode, loff_t 
offset, loff_t length,
        unsigned int blkbits = inode->i_blkbits;
        unsigned long first_block = offset >> blkbits;
        unsigned long max_blocks = (length + (1 << blkbits) - 1) >> blkbits;
-       struct ext2_sb_info *sbi = EXT2_SB(inode->i_sb);
+       struct ext2_sb_info *sbi = EXT2_SB(inode_sb(inode));
        bool new = false, boundary = false;
        u32 bno;
        int ret;
@@ -815,7 +816,7 @@ static int ext2_iomap_begin(struct inode *inode, loff_t 
offset, loff_t length,
                return ret;
 
        iomap->flags = 0;
-       iomap->bdev = inode->i_sb->s_bdev;
+       iomap->bdev = inode_sb(inode)->s_bdev;
        iomap->offset = (u64)first_block << blkbits;
        iomap->dax_dev = sbi->s_daxdev;
 
@@ -955,7 +956,7 @@ ext2_writepages(struct address_space *mapping, struct 
writeback_control *wbc)
 #ifdef CONFIG_FS_DAX
        if (dax_mapping(mapping)) {
                return dax_writeback_mapping_range(mapping,
-                                                  mapping->host->i_sb->s_bdev,
+                                                  
inode_sb(mapping->host)->s_bdev,
                                                   wbc);
        }
 #endif
@@ -1142,21 +1143,22 @@ static void ext2_free_branches(struct inode *inode, 
__le32 *p, __le32 *q, int de
        unsigned long nr;
 
        if (depth--) {
-               int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb);
+               int addr_per_block = EXT2_ADDR_PER_BLOCK(inode_sb(inode));
                for ( ; p < q ; p++) {
                        nr = le32_to_cpu(*p);
                        if (!nr)
                                continue;
                        *p = 0;
-                       bh = sb_bread(inode->i_sb, nr);
+                       bh = sb_bread(inode_sb(inode), nr);
                        /*
                         * A read failure? Report error and clear slot
                         * (should be rare).
                         */ 
                        if (!bh) {
-                               ext2_error(inode->i_sb, "ext2_free_branches",
-                                       "Read failure, inode=%ld, block=%ld",
-                                       inode->i_ino, nr);
+                               ext2_error(inode_sb(inode),
+                                          "ext2_free_branches",
+                                          "Read failure, inode=%ld, block=%ld",
+                                          inode->i_ino, nr);
                                continue;
                        }
                        ext2_free_branches(inode,
@@ -1176,7 +1178,7 @@ static void __ext2_truncate_blocks(struct inode *inode, 
loff_t offset)
 {
        __le32 *i_data = EXT2_I(inode)->i_data;
        struct ext2_inode_info *ei = EXT2_I(inode);
-       int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb);
+       int addr_per_block = EXT2_ADDR_PER_BLOCK(inode_sb(inode));
        int offsets[4];
        Indirect chain[4];
        Indirect *partial;
@@ -1184,8 +1186,8 @@ static void __ext2_truncate_blocks(struct inode *inode, 
loff_t offset)
        int n;
        long iblock;
        unsigned blocksize;
-       blocksize = inode->i_sb->s_blocksize;
-       iblock = (offset + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb);
+       blocksize = inode_sb(inode)->s_blocksize;
+       iblock = (offset + blocksize-1) >> 
EXT2_BLOCK_SIZE_BITS(inode_sb(inode));
 
 #ifdef CONFIG_FS_DAX
        WARN_ON(!rwsem_is_locked(&ei->dax_sem));
@@ -1300,7 +1302,7 @@ static int ext2_setsize(struct inode *inode, loff_t 
newsize)
                error = iomap_zero_range(inode, newsize,
                                         PAGE_ALIGN(newsize) - newsize, NULL,
                                         &ext2_iomap_ops);
-       } else if (test_opt(inode->i_sb, NOBH))
+       } else if (test_opt(inode_sb(inode), NOBH))
                error = nobh_truncate_page(inode->i_mapping,
                                newsize, ext2_get_block);
        else
@@ -1384,7 +1386,7 @@ void ext2_set_inode_flags(struct inode *inode)
                inode->i_flags |= S_NOATIME;
        if (flags & EXT2_DIRSYNC_FL)
                inode->i_flags |= S_DIRSYNC;
-       if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
+       if (test_opt(inode_sb(inode), DAX) && S_ISREG(inode->i_mode))
                inode->i_flags |= S_DAX;
 }
 
@@ -1408,7 +1410,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
        ei = EXT2_I(inode);
        ei->i_block_alloc_info = NULL;
 
-       raw_inode = ext2_get_inode(inode->i_sb, ino, &bh);
+       raw_inode = ext2_get_inode(inode_sb(inode), ino, &bh);
        if (IS_ERR(raw_inode)) {
                ret = PTR_ERR(raw_inode);
                goto bad_inode;
@@ -1417,7 +1419,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
        inode->i_mode = le16_to_cpu(raw_inode->i_mode);
        i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
        i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
-       if (!(test_opt (inode->i_sb, NO_UID32))) {
+       if (!(test_opt (inode_sb(inode), NO_UID32))) {
                i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
                i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
        }
@@ -1469,7 +1471,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
        ei->i_dtime = 0;
        inode->i_generation = le32_to_cpu(raw_inode->i_generation);
        ei->i_state = 0;
-       ei->i_block_group = (ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb);
+       ei->i_block_group = (ino - 1) / EXT2_INODES_PER_GROUP(inode_sb(inode));
        ei->i_dir_start_lookup = 0;
 
        /*
@@ -1481,7 +1483,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
 
        if (S_ISREG(inode->i_mode)) {
                inode->i_op = &ext2_file_inode_operations;
-               if (test_opt(inode->i_sb, NOBH)) {
+               if (test_opt(inode_sb(inode), NOBH)) {
                        inode->i_mapping->a_ops = &ext2_nobh_aops;
                        inode->i_fop = &ext2_file_operations;
                } else {
@@ -1491,7 +1493,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
        } else if (S_ISDIR(inode->i_mode)) {
                inode->i_op = &ext2_dir_inode_operations;
                inode->i_fop = &ext2_dir_operations;
-               if (test_opt(inode->i_sb, NOBH))
+               if (test_opt(inode_sb(inode), NOBH))
                        inode->i_mapping->a_ops = &ext2_nobh_aops;
                else
                        inode->i_mapping->a_ops = &ext2_aops;
@@ -1504,7 +1506,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
                } else {
                        inode->i_op = &ext2_symlink_inode_operations;
                        inode_nohighmem(inode);
-                       if (test_opt(inode->i_sb, NOBH))
+                       if (test_opt(inode_sb(inode), NOBH))
                                inode->i_mapping->a_ops = &ext2_nobh_aops;
                        else
                                inode->i_mapping->a_ops = &ext2_aops;
@@ -1531,7 +1533,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned 
long ino)
 static int __ext2_write_inode(struct inode *inode, int do_sync)
 {
        struct ext2_inode_info *ei = EXT2_I(inode);
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        ino_t ino = inode->i_ino;
        uid_t uid = i_uid_read(inode);
        gid_t gid = i_gid_read(inode);
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 0367c0039e68..d927a865d13e 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -113,7 +113,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, 
unsigned long arg)
                return ret;
        }
        case EXT2_IOC_GETRSVSZ:
-               if (test_opt(inode->i_sb, RESERVATION)
+               if (test_opt(inode_sb(inode), RESERVATION)
                        && S_ISREG(inode->i_mode)
                        && ei->i_block_alloc_info) {
                        rsv_window_size = 
ei->i_block_alloc_info->rsv_window_node.rsv_goal_size;
@@ -122,7 +122,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, 
unsigned long arg)
                return -ENOTTY;
        case EXT2_IOC_SETRSVSZ: {
 
-               if (!test_opt(inode->i_sb, RESERVATION) 
||!S_ISREG(inode->i_mode))
+               if (!test_opt(inode_sb(inode), RESERVATION) 
||!S_ISREG(inode->i_mode))
                        return -ENOTTY;
 
                if (!inode_owner_or_capable(inode))
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index e078075dc66f..2e5f7d3d371b 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -66,9 +66,9 @@ static struct dentry *ext2_lookup(struct inode * dir, struct 
dentry *dentry, uns
        ino = ext2_inode_by_name(dir, &dentry->d_name);
        inode = NULL;
        if (ino) {
-               inode = ext2_iget(dir->i_sb, ino);
+               inode = ext2_iget(inode_sb(dir), ino);
                if (inode == ERR_PTR(-ESTALE)) {
-                       ext2_error(dir->i_sb, __func__,
+                       ext2_error(inode_sb(dir), __func__,
                                        "deleted inode referenced: %lu",
                                        (unsigned long) ino);
                        return ERR_PTR(-EIO);
@@ -108,7 +108,7 @@ static int ext2_create (struct inode * dir, struct dentry * 
dentry, umode_t mode
                return PTR_ERR(inode);
 
        inode->i_op = &ext2_file_inode_operations;
-       if (test_opt(inode->i_sb, NOBH)) {
+       if (test_opt(inode_sb(inode), NOBH)) {
                inode->i_mapping->a_ops = &ext2_nobh_aops;
                inode->i_fop = &ext2_file_operations;
        } else {
@@ -126,7 +126,7 @@ static int ext2_tmpfile(struct inode *dir, struct dentry 
*dentry, umode_t mode)
                return PTR_ERR(inode);
 
        inode->i_op = &ext2_file_inode_operations;
-       if (test_opt(inode->i_sb, NOBH)) {
+       if (test_opt(inode_sb(inode), NOBH)) {
                inode->i_mapping->a_ops = &ext2_nobh_aops;
                inode->i_fop = &ext2_file_operations;
        } else {
@@ -164,7 +164,7 @@ static int ext2_mknod (struct inode * dir, struct dentry 
*dentry, umode_t mode,
 static int ext2_symlink (struct inode * dir, struct dentry * dentry,
        const char * symname)
 {
-       struct super_block * sb = dir->i_sb;
+       struct super_block * sb = inode_sb(dir);
        int err = -ENAMETOOLONG;
        unsigned l = strlen(symname)+1;
        struct inode * inode;
@@ -185,7 +185,7 @@ static int ext2_symlink (struct inode * dir, struct dentry 
* dentry,
                /* slow symlink */
                inode->i_op = &ext2_symlink_inode_operations;
                inode_nohighmem(inode);
-               if (test_opt(inode->i_sb, NOBH))
+               if (test_opt(inode_sb(inode), NOBH))
                        inode->i_mapping->a_ops = &ext2_nobh_aops;
                else
                        inode->i_mapping->a_ops = &ext2_aops;
@@ -254,7 +254,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * 
dentry, umode_t mode)
 
        inode->i_op = &ext2_dir_inode_operations;
        inode->i_fop = &ext2_dir_operations;
-       if (test_opt(inode->i_sb, NOBH))
+       if (test_opt(inode_sb(inode), NOBH))
                inode->i_mapping->a_ops = &ext2_nobh_aops;
        else
                inode->i_mapping->a_ops = &ext2_aops;
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 62d9a659a8ff..613cfcae7b48 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -73,7 +73,8 @@
 #ifdef EXT2_XATTR_DEBUG
 # define ea_idebug(inode, f...) do { \
                printk(KERN_DEBUG "inode %s:%ld: ", \
-                       inode->i_sb->s_id, inode->i_ino); \
+                       inode_sb(inode)->s_id,
+                      inode->i_ino); \
                printk(f); \
                printk("\n"); \
        } while (0)
@@ -122,7 +123,7 @@ const struct xattr_handler *ext2_xattr_handlers[] = {
        NULL
 };
 
-#define EA_BLOCK_CACHE(inode)  (EXT2_SB(inode->i_sb)->s_ea_block_cache)
+#define EA_BLOCK_CACHE(inode)  (EXT2_SB(inode_sb(inode))->s_ea_block_cache)
 
 static inline const struct xattr_handler *
 ext2_xattr_handler(int name_index)
@@ -169,7 +170,7 @@ ext2_xattr_get(struct inode *inode, int name_index, const 
char *name,
        if (!EXT2_I(inode)->i_file_acl)
                goto cleanup;
        ea_idebug(inode, "reading block %d", EXT2_I(inode)->i_file_acl);
-       bh = sb_bread(inode->i_sb, EXT2_I(inode)->i_file_acl);
+       bh = sb_bread(inode_sb(inode), EXT2_I(inode)->i_file_acl);
        error = -EIO;
        if (!bh)
                goto cleanup;
@@ -178,9 +179,9 @@ ext2_xattr_get(struct inode *inode, int name_index, const 
char *name,
        end = bh->b_data + bh->b_size;
        if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
            HDR(bh)->h_blocks != cpu_to_le32(1)) {
-bad_block:     ext2_error(inode->i_sb, "ext2_xattr_get",
-                       "inode %ld: bad block %d", inode->i_ino,
-                       EXT2_I(inode)->i_file_acl);
+bad_block:     ext2_error(inode_sb(inode), "ext2_xattr_get",
+                            "inode %ld: bad block %d", inode->i_ino,
+                            EXT2_I(inode)->i_file_acl);
                error = -EIO;
                goto cleanup;
        }
@@ -207,8 +208,8 @@ bad_block:  ext2_error(inode->i_sb, "ext2_xattr_get",
        if (entry->e_value_block != 0)
                goto bad_block;
        size = le32_to_cpu(entry->e_value_size);
-       if (size > inode->i_sb->s_blocksize ||
-           le16_to_cpu(entry->e_value_offs) + size > inode->i_sb->s_blocksize)
+       if (size > inode_sb(inode)->s_blocksize ||
+           le16_to_cpu(entry->e_value_offs) + size > 
inode_sb(inode)->s_blocksize)
                goto bad_block;
 
        if (ext2_xattr_cache_insert(ea_block_cache, bh))
@@ -259,7 +260,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t 
buffer_size)
        if (!EXT2_I(inode)->i_file_acl)
                goto cleanup;
        ea_idebug(inode, "reading block %d", EXT2_I(inode)->i_file_acl);
-       bh = sb_bread(inode->i_sb, EXT2_I(inode)->i_file_acl);
+       bh = sb_bread(inode_sb(inode), EXT2_I(inode)->i_file_acl);
        error = -EIO;
        if (!bh)
                goto cleanup;
@@ -268,9 +269,9 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t 
buffer_size)
        end = bh->b_data + bh->b_size;
        if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
            HDR(bh)->h_blocks != cpu_to_le32(1)) {
-bad_block:     ext2_error(inode->i_sb, "ext2_xattr_list",
-                       "inode %ld: bad block %d", inode->i_ino,
-                       EXT2_I(inode)->i_file_acl);
+bad_block:     ext2_error(inode_sb(inode), "ext2_xattr_list",
+                            "inode %ld: bad block %d", inode->i_ino,
+                            EXT2_I(inode)->i_file_acl);
                error = -EIO;
                goto cleanup;
        }
@@ -363,7 +364,7 @@ int
 ext2_xattr_set(struct inode *inode, int name_index, const char *name,
               const void *value, size_t value_len, int flags)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct buffer_head *bh = NULL;
        struct ext2_xattr_header *header = NULL;
        struct ext2_xattr_entry *here, *last;
@@ -627,7 +628,7 @@ static int
 ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
                struct ext2_xattr_header *header)
 {
-       struct super_block *sb = inode->i_sb;
+       struct super_block *sb = inode_sb(inode);
        struct buffer_head *new_bh = NULL;
        int error;
        struct mb_cache *ea_block_cache = EA_BLOCK_CACHE(inode);
@@ -762,32 +763,32 @@ void
 ext2_xattr_delete_inode(struct inode *inode)
 {
        struct buffer_head *bh = NULL;
-       struct ext2_sb_info *sbi = EXT2_SB(inode->i_sb);
+       struct ext2_sb_info *sbi = EXT2_SB(inode_sb(inode));
 
        down_write(&EXT2_I(inode)->xattr_sem);
        if (!EXT2_I(inode)->i_file_acl)
                goto cleanup;
 
        if (!ext2_data_block_valid(sbi, EXT2_I(inode)->i_file_acl, 0)) {
-               ext2_error(inode->i_sb, "ext2_xattr_delete_inode",
-                       "inode %ld: xattr block %d is out of data blocks range",
-                       inode->i_ino, EXT2_I(inode)->i_file_acl);
+               ext2_error(inode_sb(inode), "ext2_xattr_delete_inode",
+                          "inode %ld: xattr block %d is out of data blocks 
range",
+                          inode->i_ino, EXT2_I(inode)->i_file_acl);
                goto cleanup;
        }
 
-       bh = sb_bread(inode->i_sb, EXT2_I(inode)->i_file_acl);
+       bh = sb_bread(inode_sb(inode), EXT2_I(inode)->i_file_acl);
        if (!bh) {
-               ext2_error(inode->i_sb, "ext2_xattr_delete_inode",
-                       "inode %ld: block %d read error", inode->i_ino,
-                       EXT2_I(inode)->i_file_acl);
+               ext2_error(inode_sb(inode), "ext2_xattr_delete_inode",
+                          "inode %ld: block %d read error", inode->i_ino,
+                          EXT2_I(inode)->i_file_acl);
                goto cleanup;
        }
        ea_bdebug(bh, "b_count=%d", atomic_read(&(bh->b_count)));
        if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
            HDR(bh)->h_blocks != cpu_to_le32(1)) {
-               ext2_error(inode->i_sb, "ext2_xattr_delete_inode",
-                       "inode %ld: bad block %d", inode->i_ino,
-                       EXT2_I(inode)->i_file_acl);
+               ext2_error(inode_sb(inode), "ext2_xattr_delete_inode",
+                          "inode %ld: bad block %d", inode->i_ino,
+                          EXT2_I(inode)->i_file_acl);
                goto cleanup;
        }
        lock_buffer(bh);
@@ -910,11 +911,11 @@ ext2_xattr_cache_find(struct inode *inode, struct 
ext2_xattr_header *header)
        while (ce) {
                struct buffer_head *bh;
 
-               bh = sb_bread(inode->i_sb, ce->e_value);
+               bh = sb_bread(inode_sb(inode), ce->e_value);
                if (!bh) {
-                       ext2_error(inode->i_sb, "ext2_xattr_cache_find",
-                               "inode %ld: block %ld read error",
-                               inode->i_ino, (unsigned long) ce->e_value);
+                       ext2_error(inode_sb(inode), "ext2_xattr_cache_find",
+                                  "inode %ld: block %ld read error",
+                                  inode->i_ino, (unsigned long) ce->e_value);
                } else {
                        lock_buffer(bh);
                        /*
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index c243a3b4d69d..e2ca8f4829b1 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -22,7 +22,7 @@ ext2_xattr_user_get(const struct xattr_handler *handler,
                    struct dentry *unused, struct inode *inode,
                    const char *name, void *buffer, size_t size)
 {
-       if (!test_opt(inode->i_sb, XATTR_USER))
+       if (!test_opt(inode_sb(inode), XATTR_USER))
                return -EOPNOTSUPP;
        return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER,
                              name, buffer, size);
@@ -34,7 +34,7 @@ ext2_xattr_user_set(const struct xattr_handler *handler,
                    const char *name, const void *value,
                    size_t size, int flags)
 {
-       if (!test_opt(inode->i_sb, XATTR_USER))
+       if (!test_opt(inode_sb(inode), XATTR_USER))
                return -EOPNOTSUPP;
 
        return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER,
-- 
2.15.1

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