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| author | Tiger Yang <tiger.yang@oracle.com> | 2006-11-15 15:48:42 +0800 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-12-01 18:28:51 -0800 |
| commit | 7f1a37e31f94b4f1c123d32ce9f69205ab2095bd (patch) | |
| tree | 7d2136573966de80d031e7320db11c15d7f93a92 /fs/ocfs2/dlmglue.c | |
| parent | 8659ac25b434fcc61cf7797f4b69edc3eaaffb55 (diff) | |
| download | blackbird-op-linux-7f1a37e31f94b4f1c123d32ce9f69205ab2095bd.tar.gz blackbird-op-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/dlmglue.c')
| -rw-r--r-- | fs/ocfs2/dlmglue.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 7a22118ef046..69fba16efbd1 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -49,6 +49,7 @@ #include "dcache.h" #include "dlmglue.h" #include "extent_map.h" +#include "file.h" #include "heartbeat.h" #include "inode.h" #include "journal.h" @@ -1723,6 +1724,44 @@ int ocfs2_meta_lock_with_page(struct inode *inode, return ret; } +int ocfs2_meta_lock_atime(struct inode *inode, + struct vfsmount *vfsmnt, + int *level) +{ + int ret; + + mlog_entry_void(); + ret = ocfs2_meta_lock(inode, NULL, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + + /* + * If we should update atime, we will get EX lock, + * otherwise we just get PR lock. + */ + if (ocfs2_should_update_atime(inode, vfsmnt)) { + struct buffer_head *bh = NULL; + + ocfs2_meta_unlock(inode, 0); + ret = ocfs2_meta_lock(inode, &bh, 1); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + *level = 1; + if (ocfs2_should_update_atime(inode, vfsmnt)) + ocfs2_update_inode_atime(inode, bh); + if (bh) + brelse(bh); + } else + *level = 0; + + mlog_exit(ret); + return ret; +} + void ocfs2_meta_unlock(struct inode *inode, int ex) { |
