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author | Arnd Bergmann <arnd@arndb.de> | 2018-06-18 13:05:00 +0300 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-06-25 11:14:41 +0300 |
commit | 6075e4ae6e729778ac687a9ffb0c0d5223a0a19e (patch) | |
tree | 53ea594189b700a02316f1db3904a4a2eab26ab4 /arch/s390/hypfs/inode.c | |
parent | 89b5202e81df9f0f0f0a11cf8c78bc8bfdc52a21 (diff) | |
download | linux-6075e4ae6e729778ac687a9ffb0c0d5223a0a19e.tar.xz |
s390: hypfs: use ktime_get_seconds() instead of get_seconds()
time_t and get_seconds() are deprecated because they will overflow on
32-bit architectures in the future. This is not a problem on 64-bit s390,
but we should use proper interfaces anyway.
Besides moving to the time64_t based interface, the CLOCK_MONOTONIC
based ktime_get_seconds() is preferred for kernel internal timekeeping
because it does not behave in unexpected ways during leap second changes
or settimeofday() calls.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/hypfs/inode.c')
-rw-r--r-- | arch/s390/hypfs/inode.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 06b513d192b9..c681329fdeec 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -36,7 +36,7 @@ struct hypfs_sb_info { kuid_t uid; /* uid used for files and dirs */ kgid_t gid; /* gid used for files and dirs */ struct dentry *update_file; /* file to trigger update */ - time_t last_update; /* last update time in secs since 1970 */ + time64_t last_update; /* last update, CLOCK_MONOTONIC time */ struct mutex lock; /* lock to protect update process */ }; @@ -52,7 +52,7 @@ static void hypfs_update_update(struct super_block *sb) struct hypfs_sb_info *sb_info = sb->s_fs_info; struct inode *inode = d_inode(sb_info->update_file); - sb_info->last_update = get_seconds(); + sb_info->last_update = ktime_get_seconds(); inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); } @@ -179,7 +179,7 @@ static ssize_t hypfs_write_iter(struct kiocb *iocb, struct iov_iter *from) * to restart data collection in this case. */ mutex_lock(&fs_info->lock); - if (fs_info->last_update == get_seconds()) { + if (fs_info->last_update == ktime_get_seconds()) { rc = -EBUSY; goto out; } |