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| author | Tiger Yang <tiger.yang@oracle.com> | 2006-11-15 10:49:02 +0300 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-12-02 05:28:58 +0300 |
| commit | 25899deef46c226c49c53b42c00e0f032379c04b (patch) | |
| tree | ac8c19482ab05ee2e13d874eecd8b2eaa507a156 /fs/ocfs2/dir.c | |
| parent | 7f1a37e31f94b4f1c123d32ce9f69205ab2095bd (diff) | |
| download | linux-25899deef46c226c49c53b42c00e0f032379c04b.tar.xz | |
ocfs2: update file system paths to set atime
Conditionally update atime in ocfs2_file_aio_read(), ocfs2_readdir() and
ocfs2_mmap().
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dir.c')
| -rw-r--r-- | fs/ocfs2/dir.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 5efea44d780d..baad2aa27c14 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -82,6 +82,7 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir) struct inode *inode = filp->f_dentry->d_inode; struct super_block * sb = inode->i_sb; unsigned int ra_sectors = 16; + int lock_level = 0; mlog_entry("dirino=%llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); @@ -89,7 +90,15 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir) stored = 0; bh = NULL; - error = ocfs2_meta_lock(inode, NULL, 0); + error = ocfs2_meta_lock_atime(inode, filp->f_vfsmnt, &lock_level); + if (lock_level && error >= 0) { + /* We release EX lock which used to update atime + * and get PR lock again to reduce contention + * on commonly accessed directories. */ + ocfs2_meta_unlock(inode, 1); + lock_level = 0; + error = ocfs2_meta_lock(inode, NULL, 0); + } if (error < 0) { if (error != -ENOENT) mlog_errno(error); @@ -198,7 +207,7 @@ revalidate: stored = 0; bail: - ocfs2_meta_unlock(inode, 0); + ocfs2_meta_unlock(inode, lock_level); bail_nolock: mlog_exit(stored); |