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authorTheodore Ts'o <tytso@mit.edu>2010-01-01 01:00:21 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-01-01 01:00:21 -0500
commitf8ec9d6837241865cf99bed97bb99f4399fd5a03 (patch)
treef1198366ae4c9c2db3c8869813f061ee85d3b243 /fs
parent71f2be213a0009098819e5c04f75ff19f84f2122 (diff)
ext4: Add new tracepoints to debug delayed allocation space functions
Add tracepoints for ext4_da_reserve_space(), ext4_da_update_reserve_space(), and ext4_da_release_space(). Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/inode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3e8afd96923..1a3d7b232cd 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1061,6 +1061,7 @@ void ext4_da_update_reserve_space(struct inode *inode,
int mdb_free = 0, allocated_meta_blocks = 0;
spin_lock(&ei->i_block_reservation_lock);
+ trace_ext4_da_update_reserve_space(inode, used);
if (unlikely(used > ei->i_reserved_data_blocks)) {
ext4_msg(inode->i_sb, KERN_NOTICE, "%s: ino %lu, used %d "
"with only %d reserved data blocks\n",
@@ -1846,6 +1847,7 @@ repeat:
spin_lock(&ei->i_block_reservation_lock);
md_reserved = ei->i_reserved_meta_blocks;
md_needed = ext4_calc_metadata_amount(inode, lblock);
+ trace_ext4_da_reserve_space(inode, md_needed);
spin_unlock(&ei->i_block_reservation_lock);
/*