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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull more vfs updates from Al Viro:
 ">rename2() work from Miklos + current_time() from Deepa"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: Replace current_fs_time() with current_time()
  fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps
  fs: Replace CURRENT_TIME with current_time() for inode timestamps
  fs: proc: Delete inode time initializations in proc_alloc_inode()
  vfs: Add current_time() api
  vfs: add note about i_op->rename changes to porting
  fs: rename "rename2" i_op to "rename"
  vfs: remove unused i_op->rename
  fs: make remaining filesystems use .rename2
  libfs: support RENAME_NOREPLACE in simple_rename()
  fs: support RENAME_NOREPLACE for local filesystems
  ncpfs: fix unused variable warning
This commit is contained in:
Linus Torvalds
2016-10-10 20:16:43 -07:00
parent 35ff96dfd3 3873691e5a
commit 101105b171
182 changed files with 587 additions and 449 deletions
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29
fs/inode.c
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@@ -1686,7 +1686,7 @@ bool __atime_needs_update(const struct path *path, struct inode *inode,
if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))
return false;
now = current_fs_time(inode->i_sb);
now = current_time(inode);
if (!relatime_need_update(path, inode, now, rcu))
return false;
@@ -1720,7 +1720,7 @@ void touch_atime(const struct path *path)
* We may also fail on filesystems that have the ability to make parts
* of the fs read only, e.g. subvolumes in Btrfs.
*/
now = current_fs_time(inode->i_sb);
now = current_time(inode);
update_time(inode, &now, S_ATIME);
__mnt_drop_write(mnt);
skip_update:
@@ -1843,7 +1843,7 @@ int file_update_time(struct file *file)
if (IS_NOCMTIME(inode))
return 0;
now = current_fs_time(inode->i_sb);
now = current_time(inode);
if (!timespec_equal(&inode->i_mtime, &now))
sync_it = S_MTIME;
@@ -2099,3 +2099,26 @@ void inode_nohighmem(struct inode *inode)
mapping_set_gfp_mask(inode->i_mapping, GFP_USER);
}
EXPORT_SYMBOL(inode_nohighmem);
/**
* current_time - Return FS time
* @inode: inode.
*
* Return the current time truncated to the time granularity supported by
* the fs.
*
* Note that inode and inode->sb cannot be NULL.
* Otherwise, the function warns and returns time without truncation.
*/
struct timespec current_time(struct inode *inode)
{
struct timespec now = current_kernel_time();
if (unlikely(!inode->i_sb)) {
WARN(1, "current_time() called with uninitialized super_block in the inode");
return now;
}
return timespec_trunc(now, inode->i_sb->s_time_gran);
}
EXPORT_SYMBOL(current_time);