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| author | Tiger Yang | 2006-11-15 08:48:42 +0100 |
|---|---|---|
| committer | Mark Fasheh | 2006-12-02 03:28:51 +0100 |
| commit | 7f1a37e31f94b4f1c123d32ce9f69205ab2095bd (patch) | |
| tree | 7d2136573966de80d031e7320db11c15d7f93a92 /fs/ocfs2/file.c | |
| parent | ocfs2: Add splice support (diff) | |
| download | kernel-qcow2-linux-7f1a37e31f94b4f1c123d32ce9f69205ab2095bd.tar.gz kernel-qcow2-linux-7f1a37e31f94b4f1c123d32ce9f69205ab2095bd.tar.xz kernel-qcow2-linux-7f1a37e31f94b4f1c123d32ce9f69205ab2095bd.zip | |
ocfs2: core atime update functions
This patch adds the core routines for updating atime in ocfs2.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/file.c')
| -rw-r--r-- | fs/ocfs2/file.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index b32cdb3bf7c5..e82288f7cf21 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -32,6 +32,7 @@ #include <linux/uio.h> #include <linux/sched.h> #include <linux/pipe_fs_i.h> +#include <linux/mount.h> #define MLOG_MASK_PREFIX ML_INODE #include <cluster/masklog.h> @@ -135,6 +136,57 @@ bail: return (err < 0) ? -EIO : 0; } +int ocfs2_should_update_atime(struct inode *inode, + struct vfsmount *vfsmnt) +{ + struct timespec now; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) + return 0; + + if ((inode->i_flags & S_NOATIME) || + ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))) + return 0; + + if ((vfsmnt->mnt_flags & MNT_NOATIME) || + ((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))) + return 0; + + now = CURRENT_TIME; + if ((now.tv_sec - inode->i_atime.tv_sec <= osb->s_atime_quantum)) + return 0; + else + return 1; +} + +int ocfs2_update_inode_atime(struct inode *inode, + struct buffer_head *bh) +{ + int ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + handle_t *handle; + + mlog_entry_void(); + + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); + if (handle == NULL) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + inode->i_atime = CURRENT_TIME; + ret = ocfs2_mark_inode_dirty(handle, inode, bh); + if (ret < 0) + mlog_errno(ret); + + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + mlog_exit(ret); + return ret; +} + int ocfs2_set_inode_size(handle_t *handle, struct inode *inode, struct buffer_head *fe_bh, |