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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-09-13 21:16:56 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-09-13 21:16:56 -0700
commitfc8e1ead9314cf0e0f1922e661428b93d3a50d88 (patch)
treef3cb97c4769b74f6627a59769f1ed5c92a13c58a /fs/nilfs2/sufile.h
parent2bcaa6a4238094c5695d5b1943078388d82d3004 (diff)
parent9de48cc300fb10f7d9faa978670becf5e352462a (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'fs/nilfs2/sufile.h')
-rw-r--r--fs/nilfs2/sufile.h62
1 files changed, 39 insertions, 23 deletions
diff --git a/fs/nilfs2/sufile.h b/fs/nilfs2/sufile.h
index a2e2efd4ade..a2c4d76c336 100644
--- a/fs/nilfs2/sufile.h
+++ b/fs/nilfs2/sufile.h
@@ -43,43 +43,27 @@ void nilfs_sufile_put_segment_usage(struct inode *, __u64,
struct buffer_head *);
int nilfs_sufile_get_stat(struct inode *, struct nilfs_sustat *);
int nilfs_sufile_get_ncleansegs(struct inode *, unsigned long *);
-ssize_t nilfs_sufile_get_suinfo(struct inode *, __u64, struct nilfs_suinfo *,
+ssize_t nilfs_sufile_get_suinfo(struct inode *, __u64, void *, unsigned,
size_t);
+int nilfs_sufile_updatev(struct inode *, __u64 *, size_t, int, size_t *,
+ void (*dofunc)(struct inode *, __u64,
+ struct buffer_head *,
+ struct buffer_head *));
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
@@ -100,6 +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