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Subject[PATCH v4 08/19] ext2: convert to new i_version API
Date
From: Jeff Layton <jlayton@redhat.com>

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
---
fs/ext2/dir.c | 9 +++++----
fs/ext2/super.c | 5 +++--
2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 987647986f47..4111085a129f 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -26,6 +26,7 @@
#include <linux/buffer_head.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
+#include <linux/iversion.h>

typedef struct ext2_dir_entry_2 ext2_dirent;

@@ -92,7 +93,7 @@ static int ext2_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) {
@@ -293,7 +294,7 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
unsigned long npages = dir_pages(inode);
unsigned chunk_mask = ~(ext2_chunk_size(inode)-1);
unsigned char *types = NULL;
- int need_revalidate = file->f_version != inode->i_version;
+ bool need_revalidate = inode_cmp_iversion(inode, file->f_version);

if (pos > inode->i_size - EXT2_DIR_REC_LEN(1))
return 0;
@@ -319,8 +320,8 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
offset = ext2_validate_entry(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 = (ext2_dirent *)(kaddr+offset);
limit = kaddr + ext2_last_byte(inode, n) - EXT2_DIR_REC_LEN(1);
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 7646818ab266..554c98b8a93a 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -33,6 +33,7 @@
#include <linux/quotaops.h>
#include <linux/uaccess.h>
#include <linux/dax.h>
+#include <linux/iversion.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
@@ -184,7 +185,7 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
if (!ei)
return NULL;
ei->i_block_alloc_info = NULL;
- ei->vfs_inode.i_version = 1;
+ inode_set_iversion(&ei->vfs_inode, 1);
#ifdef CONFIG_QUOTA
memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
#endif
@@ -1569,7 +1570,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type,
return err;
if (inode->i_size < off+len-towrite)
i_size_write(inode, off+len-towrite);
- inode->i_version++;
+ inode_inc_iversion(inode);
inode->i_mtime = inode->i_ctime = current_time(inode);
mark_inode_dirty(inode);
return len - towrite;
--
2.14.3
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