diff options
| -rw-r--r-- | fs/inode.c | 23 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 |
2 files changed, 24 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index 7e3ef3af3db9..2172d0f77011 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -2049,3 +2049,26 @@ 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); diff --git a/include/linux/fs.h b/include/linux/fs.h index 901e25d495cc..32ce6b31a61b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1459,6 +1459,7 @@ static inline void i_gid_write(struct inode *inode, gid_t gid) } extern struct timespec current_fs_time(struct super_block *sb); +extern struct timespec current_time(struct inode *inode); /* * Snapshotting support. |