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Merge 5.4-rc1-prereleae into android-mainline

Browse source 
To make the 5.4-rc1 merge easier, merge at a prerelease point in time
before the final release happens.

Signed-off-by: Greg Kroah-Hartman <[email protected]>
Change-Id: I29b683c837ed1a3324644dbf9bf863f30740cd0b
This commit is contained in:
Greg Kroah-Hartman 2019-09-23 14:14:08 +02:00
commit 896be8f44d
3550 changed files with 333627 additions and 71650 deletions
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33
fs/namespace.c
View file

@ -2488,6 +2488,26 @@ static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)
unlock_mount_hash();
}
static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount *mnt)
{
struct super_block *sb = mnt->mnt_sb;
if (!__mnt_is_readonly(mnt) &&
(ktime_get_real_seconds() + TIME_UPTIME_SEC_MAX > sb->s_time_max)) {
char *buf = (char *)__get_free_page(GFP_KERNEL);
char *mntpath = buf ? d_path(mountpoint, buf, PAGE_SIZE) : ERR_PTR(-ENOMEM);
struct tm tm;
time64_to_tm(sb->s_time_max, 0, &tm);
pr_warn("Mounted %s file system at %s supports timestamps until %04ld (0x%llx)\n",
sb->s_type->name, mntpath,
tm.tm_year+1900, (unsigned long long)sb->s_time_max);
free_page((unsigned long)buf);
}
}
/*
* Handle reconfiguration of the mountpoint only without alteration of the
* superblock it refers to. This is triggered by specifying MS_REMOUNT|MS_BIND
@ -2513,6 +2533,9 @@ static int do_reconfigure_mnt(struct path *path, unsigned int mnt_flags)
if (ret == 0)
set_mount_attributes(mnt, mnt_flags);
up_write(&sb->s_umount);
mnt_warn_timestamp_expiry(path, &mnt->mnt);
return ret;
}
@ -2561,6 +2584,9 @@ static int do_remount(struct path *path, int ms_flags, int sb_flags,
}
up_write(&sb->s_umount);
}
mnt_warn_timestamp_expiry(path, &mnt->mnt);
put_fs_context(fc);
return err;
}
@ -2769,8 +2795,13 @@ static int do_new_mount_fc(struct fs_context *fc, struct path *mountpoint,
return PTR_ERR(mnt);
error = do_add_mount(real_mount(mnt), mountpoint, mnt_flags);
if (error < 0)
if (error < 0) {
mntput(mnt);
return error;
}
mnt_warn_timestamp_expiry(mountpoint, mnt);
return error;
}