Use this new method to replace our hacky use of ->dirty_inode. An additional
benefit is that we can now propagate errors up the stack.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/xfs_iops.c | 45 ++++++++++++++++++++++++++++++++++++++++++
fs/xfs/xfs_super.c | 56 -----------------------------------------------------
fs/xfs/xfs_trace.h | 2 -
3 files changed, 46 insertions(+), 57 deletions(-)
Index: xfs/fs/xfs/xfs_iops.c
===================================================================
--- xfs.orig/fs/xfs/xfs_iops.c 2012-06-04 07:45:36.000000000 -0400
+++ xfs/fs/xfs/xfs_iops.c 2012-06-05 18:41:09.060068319 -0400
@@ -897,6 +897,47 @@ xfs_vn_setattr(
return -xfs_setattr_nonsize(XFS_I(dentry->d_inode), iattr, 0);
}
+STATIC int
+xfs_vn_update_time(
+ struct inode *inode,
+ struct timespec *now,
+ int flags)
+{
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_trans *tp;
+ int error;
+
+ trace_xfs_update_time(ip);
+
+ tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
+ error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
+ if (error) {
+ xfs_trans_cancel(tp, 0);
+ return -error;
+ }
+
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
+ if (flags & S_CTIME) {
+ inode->i_ctime = *now;
+ ip->i_d.di_ctime.t_sec = (__int32_t)now->tv_sec;
+ ip->i_d.di_ctime.t_nsec = (__int32_t)now->tv_nsec;
+ }
+ if (flags & S_MTIME) {
+ inode->i_mtime = *now;
+ ip->i_d.di_mtime.t_sec = (__int32_t)now->tv_sec;
+ ip->i_d.di_mtime.t_nsec = (__int32_t)now->tv_nsec;
+ }
+ if (flags & S_ATIME) {
+ inode->i_atime = *now;
+ ip->i_d.di_atime.t_sec = (__int32_t)now->tv_sec;
+ ip->i_d.di_atime.t_nsec = (__int32_t)now->tv_nsec;
+ }
+ xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP);
+ return -xfs_trans_commit(tp, 0);
+}
+
#define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR)
/*
@@ -991,6 +1032,7 @@ static const struct inode_operations xfs
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
.fiemap = xfs_vn_fiemap,
+ .update_time = xfs_vn_update_time,
};
static const struct inode_operations xfs_dir_inode_operations = {
@@ -1016,6 +1058,7 @@ static const struct inode_operations xfs
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
+ .update_time = xfs_vn_update_time,
};
static const struct inode_operations xfs_dir_ci_inode_operations = {
@@ -1041,6 +1084,7 @@ static const struct inode_operations xfs
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
+ .update_time = xfs_vn_update_time,
};
static const struct inode_operations xfs_symlink_inode_operations = {
@@ -1054,6 +1098,7 @@ static const struct inode_operations xfs
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
+ .update_time = xfs_vn_update_time,
};
STATIC void
Index: xfs/fs/xfs/xfs_super.c
===================================================================
--- xfs.orig/fs/xfs/xfs_super.c 2012-06-04 07:45:36.000000000 -0400
+++ xfs/fs/xfs/xfs_super.c 2012-06-05 18:35:03.876058962 -0400
@@ -868,61 +868,6 @@ xfs_fs_inode_init_once(
"xfsino", ip->i_ino);
}
-/*
- * This is called by the VFS when dirtying inode metadata. This can happen
- * for a few reasons, but we only care about timestamp updates, given that
- * we handled the rest ourselves. In theory no other calls should happen,
- * but for example generic_write_end() keeps dirtying the inode after
- * updating i_size. Thus we check that the flags are exactly I_DIRTY_SYNC,
- * and skip this call otherwise.
- *
- * We'll hopefull get a different method just for updating timestamps soon,
- * at which point this hack can go away, and maybe we'll also get real
- * error handling here.
- */
-STATIC void
-xfs_fs_dirty_inode(
- struct inode *inode,
- int flags)
-{
- struct xfs_inode *ip = XFS_I(inode);
- struct xfs_mount *mp = ip->i_mount;
- struct xfs_trans *tp;
- int error;
-
- if (flags != I_DIRTY_SYNC)
- return;
-
- trace_xfs_dirty_inode(ip);
-
- tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
- error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
- if (error) {
- xfs_trans_cancel(tp, 0);
- goto trouble;
- }
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- /*
- * Grab all the latest timestamps from the Linux inode.
- */
- ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec;
- ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec;
- ip->i_d.di_ctime.t_sec = (__int32_t)inode->i_ctime.tv_sec;
- ip->i_d.di_ctime.t_nsec = (__int32_t)inode->i_ctime.tv_nsec;
- ip->i_d.di_mtime.t_sec = (__int32_t)inode->i_mtime.tv_sec;
- ip->i_d.di_mtime.t_nsec = (__int32_t)inode->i_mtime.tv_nsec;
-
- xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
- xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP);
- error = xfs_trans_commit(tp, 0);
- if (error)
- goto trouble;
- return;
-
-trouble:
- xfs_warn(mp, "failed to update timestamps for inode 0x%llx", ip->i_ino);
-}
-
STATIC void
xfs_fs_evict_inode(
struct inode *inode)
@@ -1436,7 +1381,6 @@ xfs_fs_free_cached_objects(
static const struct super_operations xfs_super_operations = {
.alloc_inode = xfs_fs_alloc_inode,
.destroy_inode = xfs_fs_destroy_inode,
- .dirty_inode = xfs_fs_dirty_inode,
.evict_inode = xfs_fs_evict_inode,
.drop_inode = xfs_fs_drop_inode,
.put_super = xfs_fs_put_super,
Index: xfs/fs/xfs/xfs_trace.h
===================================================================
--- xfs.orig/fs/xfs/xfs_trace.h 2012-06-04 07:45:36.000000000 -0400
+++ xfs/fs/xfs/xfs_trace.h 2012-06-05 18:38:32.292064313 -0400
@@ -578,8 +578,8 @@ DEFINE_INODE_EVENT(xfs_ioctl_setattr);
DEFINE_INODE_EVENT(xfs_dir_fsync);
DEFINE_INODE_EVENT(xfs_file_fsync);
DEFINE_INODE_EVENT(xfs_destroy_inode);
-DEFINE_INODE_EVENT(xfs_dirty_inode);
DEFINE_INODE_EVENT(xfs_evict_inode);
+DEFINE_INODE_EVENT(xfs_update_time);
DEFINE_INODE_EVENT(xfs_dquot_dqalloc);
DEFINE_INODE_EVENT(xfs_dquot_dqdetach);
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