[PATCH v4 13/19] ufs: use new i_version API

Jeff Layton
2017-12-22T12:11:08Z

From: Jeff Layton <jlayton@redhat.com>

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
fs/ufs/dir.c | 9 +++++----
fs/ufs/inode.c | 3 ++-
fs/ufs/super.c | 3 ++-
3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 2edc1755b7c5..50dfce000864 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -20,6 +20,7 @@
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/swap.h>
+#include <linux/iversion.h>

#include "ufs_fs.h"
#include "ufs.h"
@@ -47,7 +48,7 @@ static int ufs_commit_chunk(struct page *page, loff_t pos, unsigned len)
struct inode *dir = mapping->host;
int err = 0;

- dir->i_version++;
+ inode_inc_iversion(dir);
block_write_end(NULL, mapping, pos, len, len, page, NULL);
if (pos+len > dir->i_size) {
i_size_write(dir, pos+len);
@@ -428,7 +429,7 @@ ufs_readdir(struct file *file, struct dir_context *ctx)
unsigned long n = pos >> PAGE_SHIFT;
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1);
- int need_revalidate = file->f_version != inode->i_version;
+ bool need_revalidate = inode_cmp_iversion(inode, file->f_version);
unsigned flags = UFS_SB(sb)->s_flags;

UFSD("BEGIN\n");
@@ -455,8 +456,8 @@ ufs_readdir(struct file *file, struct dir_context *ctx)
offset = ufs_validate_entry(sb, kaddr, offset, chunk_mask);
ctx->pos = (n<<PAGE_SHIFT) + offset;
}
- file->f_version = inode->i_version;
- need_revalidate = 0;
+ file->f_version = inode_query_iversion(inode);
+ need_revalidate = false;
}
de = (struct ufs_dir_entry *)(kaddr+offset);
limit = kaddr + ufs_last_byte(inode, n) - UFS_DIR_REC_LEN(1);
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index afb601c0dda0..c843ec858cf7 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -36,6 +36,7 @@
#include <linux/mm.h>
#include <linux/buffer_head.h>
#include <linux/writeback.h>
+#include <linux/iversion.h>

#include "ufs_fs.h"
#include "ufs.h"
@@ -693,7 +694,7 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino)
if (err)
goto bad_inode;

- inode->i_version++;
+ inode_inc_iversion(inode);
ufsi->i_lastfrag =
(inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
ufsi->i_dir_start_lookup = 0;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 4d497e9c6883..b6ba80e05bff 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -88,6 +88,7 @@
#include <linux/log2.h>
#include <linux/mount.h>
#include <linux/seq_file.h>
+#include <linux/iversion.h>

#include "ufs_fs.h"
#include "ufs.h"
@@ -1440,7 +1441,7 @@ static struct inode *ufs_alloc_inode(struct super_block *sb)
if (!ei)
return NULL;

- ei->vfs_inode.i_version = 1;
+ inode_set_iversion(&ei->vfs_inode, 1);
seqlock_init(&ei->meta_lock);
mutex_init(&ei->truncate_mutex);
return &ei->vfs_inode;
--
2.14.3