diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nilfs2/recovery.c | 37 | ||||
-rw-r--r-- | fs/nilfs2/seglist.h | 79 | ||||
-rw-r--r-- | fs/nilfs2/segment.h | 1 | ||||
-rw-r--r-- | fs/nilfs2/the_nilfs.c | 1 |
4 files changed, 25 insertions, 93 deletions
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 57afa9d24061..d80cc71be749 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c | |||
@@ -28,7 +28,6 @@ | |||
28 | #include "segment.h" | 28 | #include "segment.h" |
29 | #include "sufile.h" | 29 | #include "sufile.h" |
30 | #include "page.h" | 30 | #include "page.h" |
31 | #include "seglist.h" | ||
32 | #include "segbuf.h" | 31 | #include "segbuf.h" |
33 | 32 | ||
34 | /* | 33 | /* |
@@ -395,6 +394,24 @@ static void dispose_recovery_list(struct list_head *head) | |||
395 | } | 394 | } |
396 | } | 395 | } |
397 | 396 | ||
397 | struct nilfs_segment_entry { | ||
398 | struct list_head list; | ||
399 | __u64 segnum; | ||
400 | }; | ||
401 | |||
402 | static int nilfs_segment_list_add(struct list_head *head, __u64 segnum) | ||
403 | { | ||
404 | struct nilfs_segment_entry *ent = kmalloc(sizeof(*ent), GFP_NOFS); | ||
405 | |||
406 | if (unlikely(!ent)) | ||
407 | return -ENOMEM; | ||
408 | |||
409 | ent->segnum = segnum; | ||
410 | INIT_LIST_HEAD(&ent->list); | ||
411 | list_add_tail(&ent->list, head); | ||
412 | return 0; | ||
413 | } | ||
414 | |||
398 | void nilfs_dispose_segment_list(struct list_head *head) | 415 | void nilfs_dispose_segment_list(struct list_head *head) |
399 | { | 416 | { |
400 | while (!list_empty(head)) { | 417 | while (!list_empty(head)) { |
@@ -402,7 +419,7 @@ void nilfs_dispose_segment_list(struct list_head *head) | |||
402 | = list_entry(head->next, | 419 | = list_entry(head->next, |
403 | struct nilfs_segment_entry, list); | 420 | struct nilfs_segment_entry, list); |
404 | list_del(&ent->list); | 421 | list_del(&ent->list); |
405 | nilfs_free_segment_entry(ent); | 422 | kfree(ent); |
406 | } | 423 | } |
407 | } | 424 | } |
408 | 425 | ||
@@ -431,12 +448,10 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, | |||
431 | if (unlikely(err)) | 448 | if (unlikely(err)) |
432 | goto failed; | 449 | goto failed; |
433 | 450 | ||
434 | err = -ENOMEM; | ||
435 | for (i = 1; i < 4; i++) { | 451 | for (i = 1; i < 4; i++) { |
436 | ent = nilfs_alloc_segment_entry(segnum[i]); | 452 | err = nilfs_segment_list_add(head, segnum[i]); |
437 | if (unlikely(!ent)) | 453 | if (unlikely(err)) |
438 | goto failed; | 454 | goto failed; |
439 | list_add_tail(&ent->list, head); | ||
440 | } | 455 | } |
441 | 456 | ||
442 | /* | 457 | /* |
@@ -450,7 +465,7 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, | |||
450 | goto failed; | 465 | goto failed; |
451 | } | 466 | } |
452 | list_del(&ent->list); | 467 | list_del(&ent->list); |
453 | nilfs_free_segment_entry(ent); | 468 | kfree(ent); |
454 | } | 469 | } |
455 | 470 | ||
456 | /* Allocate new segments for recovery */ | 471 | /* Allocate new segments for recovery */ |
@@ -791,7 +806,6 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, | |||
791 | u64 seg_seq; | 806 | u64 seg_seq; |
792 | __u64 segnum, nextnum = 0; | 807 | __u64 segnum, nextnum = 0; |
793 | __u64 cno; | 808 | __u64 cno; |
794 | struct nilfs_segment_entry *ent; | ||
795 | LIST_HEAD(segments); | 809 | LIST_HEAD(segments); |
796 | int empty_seg = 0, scan_newer = 0; | 810 | int empty_seg = 0, scan_newer = 0; |
797 | int ret; | 811 | int ret; |
@@ -892,12 +906,9 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, | |||
892 | if (empty_seg++) | 906 | if (empty_seg++) |
893 | goto super_root_found; /* found a valid super root */ | 907 | goto super_root_found; /* found a valid super root */ |
894 | 908 | ||
895 | ent = nilfs_alloc_segment_entry(segnum); | 909 | ret = nilfs_segment_list_add(&segments, segnum); |
896 | if (unlikely(!ent)) { | 910 | if (unlikely(ret)) |
897 | ret = -ENOMEM; | ||
898 | goto failed; | 911 | goto failed; |
899 | } | ||
900 | list_add_tail(&ent->list, &segments); | ||
901 | 912 | ||
902 | seg_seq++; | 913 | seg_seq++; |
903 | segnum = nextnum; | 914 | segnum = nextnum; |
diff --git a/fs/nilfs2/seglist.h b/fs/nilfs2/seglist.h deleted file mode 100644 index e448e40c1ecb..000000000000 --- a/fs/nilfs2/seglist.h +++ /dev/null | |||
@@ -1,79 +0,0 @@ | |||
1 | /* | ||
2 | * seglist.h - expediential structure and routines to handle list of segments | ||
3 | * (would be removed in a future release) | ||
4 | * | ||
5 | * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
20 | * | ||
21 | * Written by Ryusuke Konishi <ryusuke@osrg.net> | ||
22 | * | ||
23 | */ | ||
24 | #ifndef _NILFS_SEGLIST_H | ||
25 | #define _NILFS_SEGLIST_H | ||
26 | |||
27 | #include <linux/fs.h> | ||
28 | #include <linux/buffer_head.h> | ||
29 | #include <linux/nilfs2_fs.h> | ||
30 | #include "sufile.h" | ||
31 | |||
32 | struct nilfs_segment_entry { | ||
33 | __u64 segnum; | ||
34 | |||
35 | struct list_head list; | ||
36 | struct buffer_head *bh_su; | ||
37 | struct nilfs_segment_usage *raw_su; | ||
38 | }; | ||
39 | |||
40 | |||
41 | void nilfs_dispose_segment_list(struct list_head *); | ||
42 | |||
43 | static inline struct nilfs_segment_entry * | ||
44 | nilfs_alloc_segment_entry(__u64 segnum) | ||
45 | { | ||
46 | struct nilfs_segment_entry *ent = kmalloc(sizeof(*ent), GFP_NOFS); | ||
47 | |||
48 | if (likely(ent)) { | ||
49 | ent->segnum = segnum; | ||
50 | ent->bh_su = NULL; | ||
51 | ent->raw_su = NULL; | ||
52 | INIT_LIST_HEAD(&ent->list); | ||
53 | } | ||
54 | return ent; | ||
55 | } | ||
56 | |||
57 | static inline int nilfs_open_segment_entry(struct nilfs_segment_entry *ent, | ||
58 | struct inode *sufile) | ||
59 | { | ||
60 | return nilfs_sufile_get_segment_usage(sufile, ent->segnum, | ||
61 | &ent->raw_su, &ent->bh_su); | ||
62 | } | ||
63 | |||
64 | static inline void nilfs_close_segment_entry(struct nilfs_segment_entry *ent, | ||
65 | struct inode *sufile) | ||
66 | { | ||
67 | if (!ent->bh_su) | ||
68 | return; | ||
69 | nilfs_sufile_put_segment_usage(sufile, ent->segnum, ent->bh_su); | ||
70 | ent->bh_su = NULL; | ||
71 | ent->raw_su = NULL; | ||
72 | } | ||
73 | |||
74 | static inline void nilfs_free_segment_entry(struct nilfs_segment_entry *ent) | ||
75 | { | ||
76 | kfree(ent); | ||
77 | } | ||
78 | |||
79 | #endif /* _NILFS_SEGLIST_H */ | ||
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h index f36a851738e4..0d2a475a741b 100644 --- a/fs/nilfs2/segment.h +++ b/fs/nilfs2/segment.h | |||
@@ -239,5 +239,6 @@ extern int nilfs_search_super_root(struct the_nilfs *, struct nilfs_sb_info *, | |||
239 | extern int nilfs_recover_logical_segments(struct the_nilfs *, | 239 | extern int nilfs_recover_logical_segments(struct the_nilfs *, |
240 | struct nilfs_sb_info *, | 240 | struct nilfs_sb_info *, |
241 | struct nilfs_recovery_info *); | 241 | struct nilfs_recovery_info *); |
242 | extern void nilfs_dispose_segment_list(struct list_head *); | ||
242 | 243 | ||
243 | #endif /* _NILFS_SEGMENT_H */ | 244 | #endif /* _NILFS_SEGMENT_H */ |
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 7f65b3be4aa9..dfe2e320276e 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c | |||
@@ -32,7 +32,6 @@ | |||
32 | #include "cpfile.h" | 32 | #include "cpfile.h" |
33 | #include "sufile.h" | 33 | #include "sufile.h" |
34 | #include "dat.h" | 34 | #include "dat.h" |
35 | #include "seglist.h" | ||
36 | #include "segbuf.h" | 35 | #include "segbuf.h" |
37 | 36 | ||
38 | void nilfs_set_last_segment(struct the_nilfs *nilfs, | 37 | void nilfs_set_last_segment(struct the_nilfs *nilfs, |