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3 Cleanups: remove initialization of i_version - Jeff Layton

Browse Source 
use ARRAY_SIZE - Jérémy Lefaure
             call op_release sooner when creating inodes - Martin Brandenburg
 
 1 Patch: stop setting atime on inode dirty - Martin Brandenburg
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Merge tag 'for-linus-4.15-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Marshall:
 "Fix:

   - stop setting atime on inode dirty (Martin Brandenburg)

  Cleanups:

   - remove initialization of i_version (Jeff Layton)

   - use ARRAY_SIZE (Jérémy Lefaure)

   - call op_release sooner when creating inodes (Mike MarshallMartin
     Brandenburg)"

* tag 'for-linus-4.15-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: call op_release sooner when creating inodes
  orangefs: stop setting atime on inode dirty
  orangefs: use ARRAY_SIZE
  orangefs: remove initialization of i_version
This commit is contained in:
Linus Torvalds 2017-11-21 05:40:48 -10:00
commit b620fd2df2
10 changed files with 72 additions and 154 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
fs/orangefs/acl.c
View File

@ -155,13 +155,11 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
int orangefs_init_acl(struct inode *inode, struct inode *dir)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct posix_acl *default_acl, *acl;
umode_t mode = inode->i_mode;
struct iattr iattr;
int error = 0;
ClearModeFlag(orangefs_inode);
error = posix_acl_create(dir, &mode, &default_acl, &acl);
if (error)
return error;
@ -180,9 +178,11 @@ int orangefs_init_acl(struct inode *inode, struct inode *dir)
/* If mode of the inode was changed, then do a forcible ->setattr */
if (mode != inode->i_mode) {
SetModeFlag(orangefs_inode);
memset(&iattr, 0, sizeof iattr);
inode->i_mode = mode;
orangefs_flush_inode(inode);
iattr.ia_mode = mode;
iattr.ia_valid |= ATTR_MODE;
orangefs_inode_setattr(inode, &iattr);
}
return error;

1
fs/orangefs/dir.c
View File

@ -386,7 +386,6 @@ static int orangefs_dir_release(struct inode *inode, struct file *file)
{
struct orangefs_dir *od = file->private_data;
struct orangefs_dir_part *part = od->part;
orangefs_flush_inode(inode);
while (part) {
struct orangefs_dir_part *next = part->next;
vfree(part);

16
fs/orangefs/file.c
View File

@ -383,9 +383,15 @@ static ssize_t do_readv_writev(enum ORANGEFS_io_type type, struct file *file,
if (type == ORANGEFS_IO_READ) {
file_accessed(file);
} else {
SetMtimeFlag(orangefs_inode);
inode->i_mtime = current_time(inode);
mark_inode_dirty_sync(inode);
file_update_time(file);
/*
* Must invalidate to ensure write loop doesn't
* prevent kernel from reading updated
* attribute. Size probably changed because of
* the write, and other clients could update
* any other attribute.
*/
orangefs_inode->getattr_time = jiffies - 1;
}
}
@ -615,8 +621,6 @@ static int orangefs_file_release(struct inode *inode, struct file *file)
"orangefs_file_release: called on %pD\n",
file);
orangefs_flush_inode(inode);
/*
* remove all associated inode pages from the page cache and
* readahead cache (if any); this forces an expensive refresh of
@ -666,8 +670,6 @@ static int orangefs_fsync(struct file *file,
ret);
op_release(new_op);
orangefs_flush_inode(file_inode(file));
return ret;
}

17
fs/orangefs/inode.c
View File

@ -290,6 +290,22 @@ int orangefs_permission(struct inode *inode, int mask)
return generic_permission(inode, mask);
}
int orangefs_update_time(struct inode *inode, struct timespec *time, int flags)
{
struct iattr iattr;
gossip_debug(GOSSIP_INODE_DEBUG, "orangefs_update_time: %pU\n",
get_khandle_from_ino(inode));
generic_update_time(inode, time, flags);
memset(&iattr, 0, sizeof iattr);
if (flags & S_ATIME)
iattr.ia_valid |= ATTR_ATIME;
if (flags & S_CTIME)
iattr.ia_valid |= ATTR_CTIME;
if (flags & S_MTIME)
iattr.ia_valid |= ATTR_MTIME;
return orangefs_inode_setattr(inode, &iattr);
}
/* ORANGEDS2 implementation of VFS inode operations for files */
const struct inode_operations orangefs_file_inode_operations = {
.get_acl = orangefs_get_acl,
@ -298,6 +314,7 @@ const struct inode_operations orangefs_file_inode_operations = {
.getattr = orangefs_getattr,
.listxattr = orangefs_listxattr,
.permission = orangefs_permission,
.update_time = orangefs_update_time,
};
static int orangefs_init_iops(struct inode *inode)

45
fs/orangefs/namei.c
View File

@ -22,7 +22,9 @@ static int orangefs_create(struct inode *dir,
{
struct orangefs_inode_s *parent = ORANGEFS_I(dir);
struct orangefs_kernel_op_s *new_op;
struct orangefs_object_kref ref;
struct inode *inode;
struct iattr iattr;
int ret;
gossip_debug(GOSSIP_NAME_DEBUG, "%s: %pd\n",
@ -55,8 +57,10 @@ static int orangefs_create(struct inode *dir,
if (ret < 0)
goto out;
inode = orangefs_new_inode(dir->i_sb, dir, S_IFREG | mode, 0,
&new_op->downcall.resp.create.refn);
ref = new_op->downcall.resp.create.refn;
op_release(new_op);
inode = orangefs_new_inode(dir->i_sb, dir, S_IFREG | mode, 0, &ref);
if (IS_ERR(inode)) {
gossip_err("%s: Failed to allocate inode for file :%pd:\n",
__func__,
@ -82,12 +86,13 @@ static int orangefs_create(struct inode *dir,
__func__,
dentry);
SetMtimeFlag(parent);
dir->i_mtime = dir->i_ctime = current_time(dir);
memset(&iattr, 0, sizeof iattr);
iattr.ia_valid |= ATTR_MTIME;
orangefs_inode_setattr(dir, &iattr);
mark_inode_dirty_sync(dir);
ret = 0;
out:
op_release(new_op);
gossip_debug(GOSSIP_NAME_DEBUG,
"%s: %pd: returning %d\n",
__func__,
@ -221,6 +226,7 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
struct inode *inode = dentry->d_inode;
struct orangefs_inode_s *parent = ORANGEFS_I(dir);
struct orangefs_kernel_op_s *new_op;
struct iattr iattr;
int ret;
gossip_debug(GOSSIP_NAME_DEBUG,
@ -253,8 +259,10 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry)
if (!ret) {
drop_nlink(inode);
SetMtimeFlag(parent);
dir->i_mtime = dir->i_ctime = current_time(dir);
memset(&iattr, 0, sizeof iattr);
iattr.ia_valid |= ATTR_MTIME;
orangefs_inode_setattr(dir, &iattr);
mark_inode_dirty_sync(dir);
}
return ret;
@ -266,7 +274,9 @@ static int orangefs_symlink(struct inode *dir,
{
struct orangefs_inode_s *parent = ORANGEFS_I(dir);
struct orangefs_kernel_op_s *new_op;
struct orangefs_object_kref ref;
struct inode *inode;
struct iattr iattr;
int mode = 755;
int ret;
@ -307,8 +317,10 @@ static int orangefs_symlink(struct inode *dir,
goto out;
}
inode = orangefs_new_inode(dir->i_sb, dir, S_IFLNK | mode, 0,
&new_op->downcall.resp.sym.refn);
ref = new_op->downcall.resp.sym.refn;
op_release(new_op);
inode = orangefs_new_inode(dir->i_sb, dir, S_IFLNK | mode, 0, &ref);
if (IS_ERR(inode)) {
gossip_err
("*** Failed to allocate orangefs symlink inode\n");
@ -331,12 +343,13 @@ static int orangefs_symlink(struct inode *dir,
get_khandle_from_ino(inode),
dentry);
SetMtimeFlag(parent);
dir->i_mtime = dir->i_ctime = current_time(dir);
memset(&iattr, 0, sizeof iattr);
iattr.ia_valid |= ATTR_MTIME;
orangefs_inode_setattr(dir, &iattr);
mark_inode_dirty_sync(dir);
ret = 0;
out:
op_release(new_op);
return ret;
}
@ -344,7 +357,9 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
{
struct orangefs_inode_s *parent = ORANGEFS_I(dir);
struct orangefs_kernel_op_s *new_op;
struct orangefs_object_kref ref;
struct inode *inode;
struct iattr iattr;
int ret;
new_op = op_alloc(ORANGEFS_VFS_OP_MKDIR);
@ -373,8 +388,10 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
goto out;
}
inode = orangefs_new_inode(dir->i_sb, dir, S_IFDIR | mode, 0,
&new_op->downcall.resp.mkdir.refn);
ref = new_op->downcall.resp.mkdir.refn;
op_release(new_op);
inode = orangefs_new_inode(dir->i_sb, dir, S_IFDIR | mode, 0, &ref);
if (IS_ERR(inode)) {
gossip_err("*** Failed to allocate orangefs dir inode\n");
ret = PTR_ERR(inode);
@ -400,11 +417,12 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
* NOTE: we have no good way to keep nlink consistent for directories
* across clients; keep constant at 1.
*/
SetMtimeFlag(parent);
dir->i_mtime = dir->i_ctime = current_time(dir);
memset(&iattr, 0, sizeof iattr);
iattr.ia_valid |= ATTR_MTIME;
orangefs_inode_setattr(dir, &iattr);
mark_inode_dirty_sync(dir);
out:
op_release(new_op);
return ret;
}
@ -470,4 +488,5 @@ const struct inode_operations orangefs_dir_inode_operations = {
.getattr = orangefs_getattr,
.listxattr = orangefs_listxattr,
.permission = orangefs_permission,
.update_time = orangefs_update_time,
};

4
fs/orangefs/orangefs-debug.h
View File

@ -15,8 +15,10 @@
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/kernel.h>
#else
#include <stdint.h>
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif
#define GOSSIP_NO_DEBUG (__u64)0
@ -88,6 +90,6 @@ static struct __keyword_mask_s s_kmod_keyword_mask_map[] = {
};
static const int num_kmod_keyword_mask_map = (int)
(sizeof(s_kmod_keyword_mask_map) / sizeof(struct __keyword_mask_s));
(ARRAY_SIZE(s_kmod_keyword_mask_map));
#endif /* __ORANGEFS_DEBUG_H */

31
fs/orangefs/orangefs-kernel.h
View File

@ -209,37 +209,10 @@ struct orangefs_inode_s {
struct inode vfs_inode;
sector_t last_failed_block_index_read;
/*
* State of in-memory attributes not yet flushed to disk associated
* with this object
*/
unsigned long pinode_flags;
unsigned long getattr_time;
u32 getattr_mask;
};
#define P_ATIME_FLAG 0
#define P_MTIME_FLAG 1
#define P_CTIME_FLAG 2
#define P_MODE_FLAG 3
#define ClearAtimeFlag(pinode) clear_bit(P_ATIME_FLAG, &(pinode)->pinode_flags)
#define SetAtimeFlag(pinode) set_bit(P_ATIME_FLAG, &(pinode)->pinode_flags)
#define AtimeFlag(pinode) test_bit(P_ATIME_FLAG, &(pinode)->pinode_flags)
#define ClearMtimeFlag(pinode) clear_bit(P_MTIME_FLAG, &(pinode)->pinode_flags)
#define SetMtimeFlag(pinode) set_bit(P_MTIME_FLAG, &(pinode)->pinode_flags)
#define MtimeFlag(pinode) test_bit(P_MTIME_FLAG, &(pinode)->pinode_flags)
#define ClearCtimeFlag(pinode) clear_bit(P_CTIME_FLAG, &(pinode)->pinode_flags)
#define SetCtimeFlag(pinode) set_bit(P_CTIME_FLAG, &(pinode)->pinode_flags)
#define CtimeFlag(pinode) test_bit(P_CTIME_FLAG, &(pinode)->pinode_flags)
#define ClearModeFlag(pinode) clear_bit(P_MODE_FLAG, &(pinode)->pinode_flags)
#define SetModeFlag(pinode) set_bit(P_MODE_FLAG, &(pinode)->pinode_flags)
#define ModeFlag(pinode) test_bit(P_MODE_FLAG, &(pinode)->pinode_flags)
/* per superblock private orangefs info */
struct orangefs_sb_info_s {
struct orangefs_khandle root_khandle;
@ -436,6 +409,8 @@ int orangefs_getattr(const struct path *path, struct kstat *stat,
int orangefs_permission(struct inode *inode, int mask);
int orangefs_update_time(struct inode *, struct timespec *, int);
/*
* defined in xattr.c
*/
@ -478,8 +453,6 @@ bool __is_daemon_in_service(void);
*/
__s32 fsid_of_op(struct orangefs_kernel_op_s *op);
int orangefs_flush_inode(struct inode *inode);
ssize_t orangefs_inode_getxattr(struct inode *inode,
const char *name,
void *buffer,

86
fs/orangefs/orangefs-utils.c
View File

@ -4,6 +4,7 @@
*
* See COPYING in top-level directory.
*/
#include <linux/kernel.h>
#include "protocol.h"
#include "orangefs-kernel.h"
#include "orangefs-dev-proto.h"
@ -437,89 +438,8 @@ int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr)
op_release(new_op);
/*
* successful setattr should clear the atime, mtime and
* ctime flags.
*/
if (ret == 0) {
ClearAtimeFlag(orangefs_inode);
ClearMtimeFlag(orangefs_inode);
ClearCtimeFlag(orangefs_inode);
ClearModeFlag(orangefs_inode);
if (ret == 0)
orangefs_inode->getattr_time = jiffies - 1;
}
return ret;
}
int orangefs_flush_inode(struct inode *inode)
{
/*
* If it is a dirty inode, this function gets called.
* Gather all the information that needs to be setattr'ed
* Right now, this will only be used for mode, atime, mtime
* and/or ctime.
*/
struct iattr wbattr;
int ret;
int mtime_flag;
int ctime_flag;
int atime_flag;
int mode_flag;
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
memset(&wbattr, 0, sizeof(wbattr));
/*
* check inode flags up front, and clear them if they are set. This
* will prevent multiple processes from all trying to flush the same
* inode if they call close() simultaneously
*/
mtime_flag = MtimeFlag(orangefs_inode);
ClearMtimeFlag(orangefs_inode);
ctime_flag = CtimeFlag(orangefs_inode);
ClearCtimeFlag(orangefs_inode);
atime_flag = AtimeFlag(orangefs_inode);
ClearAtimeFlag(orangefs_inode);
mode_flag = ModeFlag(orangefs_inode);
ClearModeFlag(orangefs_inode);
/* -- Lazy atime,mtime and ctime update --
* Note: all times are dictated by server in the new scheme
* and not by the clients
*
* Also mode updates are being handled now..
*/
if (mtime_flag)
wbattr.ia_valid |= ATTR_MTIME;
if (ctime_flag)
wbattr.ia_valid |= ATTR_CTIME;
if (atime_flag)
wbattr.ia_valid |= ATTR_ATIME;
if (mode_flag) {
wbattr.ia_mode = inode->i_mode;
wbattr.ia_valid |= ATTR_MODE;
}
gossip_debug(GOSSIP_UTILS_DEBUG,
"*********** orangefs_flush_inode: %pU "
"(ia_valid %d)\n",
get_khandle_from_ino(inode),
wbattr.ia_valid);
if (wbattr.ia_valid == 0) {
gossip_debug(GOSSIP_UTILS_DEBUG,
"orangefs_flush_inode skipping setattr()\n");
return 0;
}
gossip_debug(GOSSIP_UTILS_DEBUG,
"orangefs_flush_inode (%pU) writing mode %o\n",
get_khandle_from_ino(inode),
inode->i_mode);
ret = orangefs_inode_setattr(inode, &wbattr);
return ret;
}
@ -606,7 +526,7 @@ int orangefs_normalize_to_errno(__s32 error_code)
/* Convert ORANGEFS encoded errno values into regular errno values. */
} else if ((-error_code) & ORANGEFS_ERROR_BIT) {
i = (-error_code) & ~(ORANGEFS_ERROR_BIT|ORANGEFS_ERROR_CLASS_BITS);
if (i < sizeof(PINT_errno_mapping)/sizeof(*PINT_errno_mapping))
if (i < ARRAY_SIZE(PINT_errno_mapping))
error_code = -PINT_errno_mapping[i];
else
error_code = -EINVAL;

15
fs/orangefs/super.c
View File

@ -99,8 +99,6 @@ static void orangefs_inode_cache_ctor(void *req)
inode_init_once(&orangefs_inode->vfs_inode);
init_rwsem(&orangefs_inode->xattr_sem);
orangefs_inode->vfs_inode.i_version = 1;
}
static struct inode *orangefs_alloc_inode(struct super_block *sb)
@ -119,7 +117,6 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb)
orangefs_inode->refn.fs_id = ORANGEFS_FS_ID_NULL;
orangefs_inode->last_failed_block_index_read = 0;
memset(orangefs_inode->link_target, 0, sizeof(orangefs_inode->link_target));
orangefs_inode->pinode_flags = 0;
gossip_debug(GOSSIP_SUPER_DEBUG,
"orangefs_alloc_inode: allocated %p\n",
@ -299,21 +296,9 @@ void fsid_key_table_finalize(void)
{
}
/* Called whenever the VFS dirties the inode in response to atime updates */
static void orangefs_dirty_inode(struct inode *inode, int flags)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
gossip_debug(GOSSIP_SUPER_DEBUG,
"orangefs_dirty_inode: %pU\n",
get_khandle_from_ino(inode));
SetAtimeFlag(orangefs_inode);
}
static const struct super_operations orangefs_s_ops = {
.alloc_inode = orangefs_alloc_inode,
.destroy_inode = orangefs_destroy_inode,
.dirty_inode = orangefs_dirty_inode,
.drop_inode = generic_delete_inode,
.statfs = orangefs_statfs,
.remount_fs = orangefs_remount_fs,

1
fs/orangefs/symlink.c
View File

@ -15,4 +15,5 @@ const struct inode_operations orangefs_symlink_inode_operations = {
.getattr = orangefs_getattr,
.listxattr = orangefs_listxattr,
.permission = orangefs_permission,
.update_time = orangefs_update_time,
};