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Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull lazytime mount option support from Al Viro:
 "Lazytime stuff from tytso"

* 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ext4: add optimization for the lazytime mount option
  vfs: add find_inode_nowait() function
  vfs: add support for a lazytime mount option
This commit is contained in:
Linus Torvalds 2015-02-17 16:12:34 -08:00
commit 038911597e
15 changed files with 343 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

30
include/trace/events/ext4.h
View file

@ -73,6 +73,36 @@ struct extent_status;
{ FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"})
TRACE_EVENT(ext4_other_inode_update_time,
TP_PROTO(struct inode *inode, ino_t orig_ino),
TP_ARGS(inode, orig_ino),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( ino_t, orig_ino )
__field( uid_t, uid )
__field( gid_t, gid )
__field( __u16, mode )
),
TP_fast_assign(
__entry->orig_ino = orig_ino;
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->uid = i_uid_read(inode);
__entry->gid = i_gid_read(inode);
__entry->mode = inode->i_mode;
),
TP_printk("dev %d,%d orig_ino %lu ino %lu mode 0%o uid %u gid %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->orig_ino,
(unsigned long) __entry->ino, __entry->mode,
__entry->uid, __entry->gid)
);
TRACE_EVENT(ext4_free_inode,
TP_PROTO(struct inode *inode),

60
include/trace/events/writeback.h
View file

@ -18,6 +18,8 @@
{I_FREEING, "I_FREEING"}, \
{I_CLEAR, "I_CLEAR"}, \
{I_SYNC, "I_SYNC"}, \
{I_DIRTY_TIME, "I_DIRTY_TIME"}, \
{I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
{I_REFERENCED, "I_REFERENCED"} \
)
@ -68,6 +70,7 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
TP_STRUCT__entry (
__array(char, name, 32)
__field(unsigned long, ino)
__field(unsigned long, state)
__field(unsigned long, flags)
),
@ -78,16 +81,25 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
strncpy(__entry->name,
bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->flags = flags;
),
TP_printk("bdi %s: ino=%lu flags=%s",
TP_printk("bdi %s: ino=%lu state=%s flags=%s",
__entry->name,
__entry->ino,
show_inode_state(__entry->state),
show_inode_state(__entry->flags)
)
);
DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
TP_PROTO(struct inode *inode, int flags),
TP_ARGS(inode, flags)
);
DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
TP_PROTO(struct inode *inode, int flags),
@ -596,6 +608,52 @@ DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
TP_ARGS(inode, wbc, nr_to_write)
);
DECLARE_EVENT_CLASS(writeback_lazytime_template,
TP_PROTO(struct inode *inode),
TP_ARGS(inode),
TP_STRUCT__entry(
__field( dev_t, dev )
__field(unsigned long, ino )
__field(unsigned long, state )
__field( __u16, mode )
__field(unsigned long, dirtied_when )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->mode = inode->i_mode;
__entry->dirtied_when = inode->dirtied_when;
),
TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino, __entry->dirtied_when,
show_inode_state(__entry->state), __entry->mode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime_iput,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
DEFINE_EVENT(writeback_lazytime_template, writeback_dirty_inode_enqueue,
TP_PROTO(struct inode *inode),
TP_ARGS(inode)
);
#endif /* _TRACE_WRITEBACK_H */
/* This part must be outside protection */