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authorTheodore Ts'o <tytso@mit.edu>2010-11-08 13:51:33 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-11-08 13:51:33 -0500
commit7ff9c073dd4d7200399076554f7ab9b876f196f6 (patch)
tree6ca4eb4ca9b2f6f7b11e8197bd8a9417d7307b00 /fs
parentb56ff9d397cecdaad6c98c9d57cc6fea475e1f50 (diff)
ext4: Add new ext4 inode tracepoints
Add ext4_evict_inode, ext4_drop_inode, ext4_mark_inode_dirty, and ext4_begin_ordered_truncate() Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/inode.c3
-rw-r--r--fs/ext4/super.c10
2 files changed, 13 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 19161647046..846e1e9db43 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -53,6 +53,7 @@
static inline int ext4_begin_ordered_truncate(struct inode *inode,
loff_t new_size)
{
+ trace_ext4_begin_ordered_truncate(inode, new_size);
return jbd2_journal_begin_ordered_truncate(
EXT4_SB(inode->i_sb)->s_journal,
&EXT4_I(inode)->jinode,
@@ -178,6 +179,7 @@ void ext4_evict_inode(struct inode *inode)
handle_t *handle;
int err;
+ trace_ext4_evict_inode(inode);
if (inode->i_nlink) {
truncate_inode_pages(&inode->i_data, 0);
goto no_delete;
@@ -5649,6 +5651,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
int err, ret;
might_sleep();
+ trace_ext4_mark_inode_dirty(inode, _RET_IP_);
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (ext4_handle_valid(handle) &&
EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index ee91e29ddf9..61182fe6254 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -833,6 +833,14 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
return &ei->vfs_inode;
}
+static int ext4_drop_inode(struct inode *inode)
+{
+ int drop = generic_drop_inode(inode);
+
+ trace_ext4_drop_inode(inode, drop);
+ return drop;
+}
+
static void ext4_destroy_inode(struct inode *inode)
{
ext4_ioend_wait(inode);
@@ -1175,6 +1183,7 @@ static const struct super_operations ext4_sops = {
.destroy_inode = ext4_destroy_inode,
.write_inode = ext4_write_inode,
.dirty_inode = ext4_dirty_inode,
+ .drop_inode = ext4_drop_inode,
.evict_inode = ext4_evict_inode,
.put_super = ext4_put_super,
.sync_fs = ext4_sync_fs,
@@ -1196,6 +1205,7 @@ static const struct super_operations ext4_nojournal_sops = {
.destroy_inode = ext4_destroy_inode,
.write_inode = ext4_write_inode,
.dirty_inode = ext4_dirty_inode,
+ .drop_inode = ext4_drop_inode,
.evict_inode = ext4_evict_inode,
.write_super = ext4_write_super,
.put_super = ext4_put_super,