ext2: convert to new i_version API
authorJeff Layton <jlayton@redhat.com>
Mon, 11 Dec 2017 11:35:14 +0000 (06:35 -0500)
committerJeff Layton <jlayton@redhat.com>
Mon, 29 Jan 2018 11:42:20 +0000 (06:42 -0500)
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
fs/ext2/dir.c
fs/ext2/super.c

index 987647986f47171dc5d83d8a440b04de61d004d6..4111085a129f14ed91ac8762fe35a9cd23b51c5f 100644 (file)
@@ -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);
index 7646818ab266ff81b86003b28f661fdbd7d9ba2f..554c98b8a93aaa369fcaf3f2dbdd8d593e7b5691 100644 (file)
@@ -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 @@ out:
                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;