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authorSage Weil <sage@newdream.net>2011-07-26 11:26:18 -0700
committerSage Weil <sage@newdream.net>2011-07-26 11:26:18 -0700
commit9cfa1098dcfb34f71c5f3b7bcdbbb435a0cecab2 (patch)
treececff467984dd0d5e8fef2014e296b682c7a0267 /fs/ceph/dir.c
parent4918b6d140c4822201ebbe2f070875332aff337b (diff)
ceph: use flag bit for at_end readdir flag
This saves us a word of memory per file. Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r--fs/ceph/dir.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index ef8f08c343e..53b441fe78f 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -133,7 +133,7 @@ more:
d_unhashed(dentry) ? "!hashed" : "hashed",
parent->d_subdirs.prev, parent->d_subdirs.next);
if (p == &parent->d_subdirs) {
- fi->at_end = 1;
+ fi->flags |= CEPH_F_ATEND;
goto out_unlock;
}
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
@@ -234,7 +234,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
const int max_bytes = fsc->mount_options->max_readdir_bytes;
dout("readdir %p filp %p frag %u off %u\n", inode, filp, frag, off);
- if (fi->at_end)
+ if (fi->flags & CEPH_F_ATEND)
return 0;
/* always start with . and .. */
@@ -403,7 +403,7 @@ more:
dout("readdir next frag is %x\n", frag);
goto more;
}
- fi->at_end = 1;
+ fi->flags |= CEPH_F_ATEND;
/*
* if dir_release_count still matches the dir, no dentries
@@ -435,7 +435,7 @@ static void reset_readdir(struct ceph_file_info *fi)
dput(fi->dentry);
fi->dentry = NULL;
}
- fi->at_end = 0;
+ fi->flags &= ~CEPH_F_ATEND;
}
static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin)
@@ -458,7 +458,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin)
if (offset != file->f_pos) {
file->f_pos = offset;
file->f_version = 0;
- fi->at_end = 0;
+ fi->flags &= ~CEPH_F_ATEND;
}
retval = offset;