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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-16 23:44:55 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-06-10 23:41:09 +0900
commit071cb4b81987a28c7ac2702003cff3e61684a630 (patch)
tree41e2f5a6d0e12d4ccc49850992ce6bfee68dd00e /fs/nilfs2/sufile.h
parentdda54f4b872512eba484c38631bd6ae5b5716f41 (diff)
downloadlinux-071cb4b81987a28c7ac2702003cff3e61684a630.tar.bz2
nilfs2: eliminate removal list of segments
This will clean up the removal list of segments and the related functions from segment.c and ioctl.c, which have hurt code readability. This elimination is applied by using nilfs_sufile_updatev() previously introduced in the patch ("nilfs2: add sufile function that can modify multiple segment usages"). Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/sufile.h')
-rw-r--r--fs/nilfs2/sufile.h56
1 files changed, 34 insertions, 22 deletions
diff --git a/fs/nilfs2/sufile.h b/fs/nilfs2/sufile.h
index e8e26279c261..fd6232e365ca 100644
--- a/fs/nilfs2/sufile.h
+++ b/fs/nilfs2/sufile.h
@@ -54,36 +54,16 @@ int nilfs_sufile_update(struct inode *, __u64, int,
void (*dofunc)(struct inode *, __u64,
struct buffer_head *,
struct buffer_head *));
-void nilfs_sufile_do_cancel_free(struct inode *, __u64, struct buffer_head *,
- struct buffer_head *);
void nilfs_sufile_do_scrap(struct inode *, __u64, struct buffer_head *,
struct buffer_head *);
void nilfs_sufile_do_free(struct inode *, __u64, struct buffer_head *,
struct buffer_head *);
+void nilfs_sufile_do_cancel_free(struct inode *, __u64, struct buffer_head *,
+ struct buffer_head *);
void nilfs_sufile_do_set_error(struct inode *, __u64, struct buffer_head *,
struct buffer_head *);
/**
- * nilfs_sufile_cancel_free -
- * @sufile: inode of segment usage file
- * @segnum: segment number
- *
- * Description:
- *
- * Return Value: On success, 0 is returned. On error, one of the following
- * negative error codes is returned.
- *
- * %-EIO - I/O error.
- *
- * %-ENOMEM - Insufficient amount of memory available.
- */
-static inline int nilfs_sufile_cancel_free(struct inode *sufile, __u64 segnum)
-{
- return nilfs_sufile_update(sufile, segnum, 0,
- nilfs_sufile_do_cancel_free);
-}
-
-/**
* nilfs_sufile_scrap - make a segment garbage
* @sufile: inode of segment usage file
* @segnum: segment number to be freed
@@ -104,6 +84,38 @@ static inline int nilfs_sufile_free(struct inode *sufile, __u64 segnum)
}
/**
+ * nilfs_sufile_freev - free segments
+ * @sufile: inode of segment usage file
+ * @segnumv: array of segment numbers
+ * @nsegs: size of @segnumv array
+ * @ndone: place to store the number of freed segments
+ */
+static inline int nilfs_sufile_freev(struct inode *sufile, __u64 *segnumv,
+ size_t nsegs, size_t *ndone)
+{
+ return nilfs_sufile_updatev(sufile, segnumv, nsegs, 0, ndone,
+ nilfs_sufile_do_free);
+}
+
+/**
+ * nilfs_sufile_cancel_freev - reallocate freeing segments
+ * @sufile: inode of segment usage file
+ * @segnumv: array of segment numbers
+ * @nsegs: size of @segnumv array
+ * @ndone: place to store the number of cancelled segments
+ *
+ * Return Value: On success, 0 is returned. On error, a negative error codes
+ * is returned.
+ */
+static inline int nilfs_sufile_cancel_freev(struct inode *sufile,
+ __u64 *segnumv, size_t nsegs,
+ size_t *ndone)
+{
+ return nilfs_sufile_updatev(sufile, segnumv, nsegs, 0, ndone,
+ nilfs_sufile_do_cancel_free);
+}
+
+/**
* nilfs_sufile_set_error - mark a segment as erroneous
* @sufile: inode of segment usage file
* @segnum: segment number