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Date: Wed, 21 Dec 2016 12:03:35 -0500
From: Jeff Layton <jlayton@...hat.com>
To: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
linux-ext4@...r.kernel.org, linux-btrfs@...r.kernel.org,
linux-xfs@...r.kernel.org
Subject: [RFC PATCH v1 18/30] ext4: convert to new i_version API
Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
fs/ext4/dir.c | 8 ++++----
fs/ext4/inline.c | 6 +++---
fs/ext4/inode.c | 12 ++++++++----
fs/ext4/ioctl.c | 2 +-
fs/ext4/namei.c | 8 ++++----
fs/ext4/super.c | 2 +-
6 files changed, 21 insertions(+), 17 deletions(-)
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index e8b365000d73..cd84f15d3d41 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -207,7 +207,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
* readdir(2), then we might be pointing to an invalid
* dirent right now. Scan from the start of the block
* to make sure. */
- if (file->f_version != inode->i_version) {
+ if (inode_cmp_iversion(inode, file->f_version)) {
for (i = 0; i < sb->s_blocksize && i < offset; ) {
de = (struct ext4_dir_entry_2 *)
(bh->b_data + i);
@@ -226,7 +226,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
offset = i;
ctx->pos = (ctx->pos & ~(sb->s_blocksize - 1))
| offset;
- file->f_version = inode->i_version;
+ file->f_version = inode_get_iversion(inode);
}
while (ctx->pos < inode->i_size
@@ -567,10 +567,10 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
* cached entries.
*/
if ((!info->curr_node) ||
- (file->f_version != inode->i_version)) {
+ inode_cmp_iversion(inode, file->f_version)) {
info->curr_node = NULL;
free_rb_tree_fname(&info->root);
- file->f_version = inode->i_version;
+ file->f_version = inode_get_iversion(inode);
ret = ext4_htree_fill_tree(file, info->curr_hash,
info->curr_minor_hash,
&info->next_hash);
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 437df6a1a841..6a3d173cb9ec 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1042,7 +1042,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle,
*/
dir->i_mtime = dir->i_ctime = current_time(dir);
ext4_update_dx_flag(dir);
- dir->i_version++;
+ inode_inc_iversion_locked(dir);
ext4_mark_inode_dirty(handle, dir);
return 1;
}
@@ -1496,7 +1496,7 @@ int ext4_read_inline_dir(struct file *file,
* dirent right now. Scan from the start of the inline
* dir to make sure.
*/
- if (file->f_version != inode->i_version) {
+ if (inode_cmp_iversion(inode, file->f_version)) {
for (i = 0; i < extra_size && i < offset;) {
/*
* "." is with offset 0 and
@@ -1528,7 +1528,7 @@ int ext4_read_inline_dir(struct file *file,
}
offset = i;
ctx->pos = offset;
- file->f_version = inode->i_version;
+ file->f_version = inode_get_iversion(inode);
}
while (ctx->pos < extra_size) {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 88d57af1b516..5603e1782c65 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4709,12 +4709,14 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
EXT4_EINODE_GET_XTIME(i_crtime, ei, raw_inode);
if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) {
- inode->i_version = le32_to_cpu(raw_inode->i_disk_version);
+ u64 ivers = le32_to_cpu(raw_inode->i_disk_version);
+
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
- inode->i_version |=
+ ivers |=
(__u64)(le32_to_cpu(raw_inode->i_version_hi)) << 32;
}
+ inode_set_iversion_read(inode, ivers);
}
ret = 0;
@@ -5000,11 +5002,13 @@ static int ext4_do_update_inode(handle_t *handle,
}
if (likely(!test_opt2(inode->i_sb, HURD_COMPAT))) {
- raw_inode->i_disk_version = cpu_to_le32(inode->i_version);
+ u64 ivers = inode_get_iversion_raw(inode);
+
+ raw_inode->i_disk_version = cpu_to_le32(ivers);
if (ei->i_extra_isize) {
if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
raw_inode->i_version_hi =
- cpu_to_le32(inode->i_version >> 32);
+ cpu_to_le32(ivers >> 32);
raw_inode->i_extra_isize =
cpu_to_le16(ei->i_extra_isize);
}
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index fb844da4836f..7e1d56e3def0 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -139,7 +139,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
i_gid_write(inode_bl, 0);
inode_bl->i_flags = 0;
ei_bl->i_flags = 0;
- inode_bl->i_version = 1;
+ inode_set_iversion(inode_bl, 1);
i_size_write(inode_bl, 0);
inode_bl->i_mode = S_IFREG;
if (ext4_has_feature_extents(sb)) {
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index eadba919f26b..a8f812162dd6 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1943,7 +1943,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
*/
dir->i_mtime = dir->i_ctime = current_time(dir);
ext4_update_dx_flag(dir);
- dir->i_version++;
+ inode_inc_iversion_locked(dir);
ext4_mark_inode_dirty(handle, dir);
BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
err = ext4_handle_dirty_dirent_node(handle, dir, bh);
@@ -2350,7 +2350,7 @@ int ext4_generic_delete_entry(handle_t *handle,
blocksize);
else
de->inode = 0;
- dir->i_version++;
+ inode_inc_iversion_locked(dir);
return 0;
}
i += ext4_rec_len_from_disk(de->rec_len, blocksize);
@@ -2980,7 +2980,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
"empty directory '%.*s' has too many links (%u)",
dentry->d_name.len, dentry->d_name.name,
inode->i_nlink);
- inode->i_version++;
+ inode_inc_iversion_locked(inode);
clear_nlink(inode);
/* There's no need to set i_disksize: the fact that i_nlink is
* zero will ensure that the right thing happens during any
@@ -3379,7 +3379,7 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
ent->de->inode = cpu_to_le32(ino);
if (ext4_has_feature_filetype(ent->dir->i_sb))
ent->de->file_type = file_type;
- ent->dir->i_version++;
+ inode_inc_iversion(ent->dir);
ent->dir->i_ctime = ent->dir->i_mtime =
current_time(ent->dir);
ext4_mark_inode_dirty(handle, ent->dir);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 63a6b6332682..7938d852733b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -921,7 +921,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
if (!ei)
return NULL;
- ei->vfs_inode.i_version = 1;
+ inode_set_iversion(&ei->vfs_inode, 1);
spin_lock_init(&ei->i_raw_lock);
INIT_LIST_HEAD(&ei->i_prealloc_list);
spin_lock_init(&ei->i_prealloc_lock);
--
2.7.4
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