diff options
author | Chris Mason <chris.mason@oracle.com> | 2009-01-28 20:29:43 -0500 |
---|---|---|
committer | Chris Mason <chris.mason@oracle.com> | 2009-01-28 20:29:43 -0500 |
commit | e4f722fa42537bcb0ff14322a57dc3870d093cab (patch) | |
tree | 315920ade3b68bf20c4080bcd1bf2bc34a5d5ab7 /fs/btrfs/volumes.c | |
parent | 18e352e4a73465349711a9324767e1b2453383e2 (diff) | |
parent | a717531942f488209dded30f6bc648167bcefa72 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Fix fs/btrfs/super.c conflict around #includes
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r-- | fs/btrfs/volumes.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 3451e1cca2b5..fd0bedb07a64 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c | |||
@@ -20,7 +20,6 @@ | |||
20 | #include <linux/buffer_head.h> | 20 | #include <linux/buffer_head.h> |
21 | #include <linux/blkdev.h> | 21 | #include <linux/blkdev.h> |
22 | #include <linux/random.h> | 22 | #include <linux/random.h> |
23 | #include <linux/version.h> | ||
24 | #include <asm/div64.h> | 23 | #include <asm/div64.h> |
25 | #include "compat.h" | 24 | #include "compat.h" |
26 | #include "ctree.h" | 25 | #include "ctree.h" |
@@ -104,10 +103,8 @@ static noinline struct btrfs_device *__find_device(struct list_head *head, | |||
104 | u64 devid, u8 *uuid) | 103 | u64 devid, u8 *uuid) |
105 | { | 104 | { |
106 | struct btrfs_device *dev; | 105 | struct btrfs_device *dev; |
107 | struct list_head *cur; | ||
108 | 106 | ||
109 | list_for_each(cur, head) { | 107 | list_for_each_entry(dev, head, dev_list) { |
110 | dev = list_entry(cur, struct btrfs_device, dev_list); | ||
111 | if (dev->devid == devid && | 108 | if (dev->devid == devid && |
112 | (!uuid || !memcmp(dev->uuid, uuid, BTRFS_UUID_SIZE))) { | 109 | (!uuid || !memcmp(dev->uuid, uuid, BTRFS_UUID_SIZE))) { |
113 | return dev; | 110 | return dev; |
@@ -118,11 +115,9 @@ static noinline struct btrfs_device *__find_device(struct list_head *head, | |||
118 | 115 | ||
119 | static noinline struct btrfs_fs_devices *find_fsid(u8 *fsid) | 116 | static noinline struct btrfs_fs_devices *find_fsid(u8 *fsid) |
120 | { | 117 | { |
121 | struct list_head *cur; | ||
122 | struct btrfs_fs_devices *fs_devices; | 118 | struct btrfs_fs_devices *fs_devices; |
123 | 119 | ||
124 | list_for_each(cur, &fs_uuids) { | 120 | list_for_each_entry(fs_devices, &fs_uuids, list) { |
125 | fs_devices = list_entry(cur, struct btrfs_fs_devices, list); | ||
126 | if (memcmp(fsid, fs_devices->fsid, BTRFS_FSID_SIZE) == 0) | 121 | if (memcmp(fsid, fs_devices->fsid, BTRFS_FSID_SIZE) == 0) |
127 | return fs_devices; | 122 | return fs_devices; |
128 | } | 123 | } |
@@ -345,14 +340,11 @@ error: | |||
345 | 340 | ||
346 | int btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices) | 341 | int btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices) |
347 | { | 342 | { |
348 | struct list_head *tmp; | 343 | struct btrfs_device *device, *next; |
349 | struct list_head *cur; | ||
350 | struct btrfs_device *device; | ||
351 | 344 | ||
352 | mutex_lock(&uuid_mutex); | 345 | mutex_lock(&uuid_mutex); |
353 | again: | 346 | again: |
354 | list_for_each_safe(cur, tmp, &fs_devices->devices) { | 347 | list_for_each_entry_safe(device, next, &fs_devices->devices, dev_list) { |
355 | device = list_entry(cur, struct btrfs_device, dev_list); | ||
356 | if (device->in_fs_metadata) | 348 | if (device->in_fs_metadata) |
357 | continue; | 349 | continue; |
358 | 350 | ||
@@ -383,14 +375,12 @@ again: | |||
383 | 375 | ||
384 | static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) | 376 | static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) |
385 | { | 377 | { |
386 | struct list_head *cur; | ||
387 | struct btrfs_device *device; | 378 | struct btrfs_device *device; |
388 | 379 | ||
389 | if (--fs_devices->opened > 0) | 380 | if (--fs_devices->opened > 0) |
390 | return 0; | 381 | return 0; |
391 | 382 | ||
392 | list_for_each(cur, &fs_devices->devices) { | 383 | list_for_each_entry(device, &fs_devices->devices, dev_list) { |
393 | device = list_entry(cur, struct btrfs_device, dev_list); | ||
394 | if (device->bdev) { | 384 | if (device->bdev) { |
395 | close_bdev_exclusive(device->bdev, device->mode); | 385 | close_bdev_exclusive(device->bdev, device->mode); |
396 | fs_devices->open_devices--; | 386 | fs_devices->open_devices--; |
@@ -439,7 +429,6 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices, | |||
439 | { | 429 | { |
440 | struct block_device *bdev; | 430 | struct block_device *bdev; |
441 | struct list_head *head = &fs_devices->devices; | 431 | struct list_head *head = &fs_devices->devices; |
442 | struct list_head *cur; | ||
443 | struct btrfs_device *device; | 432 | struct btrfs_device *device; |
444 | struct block_device *latest_bdev = NULL; | 433 | struct block_device *latest_bdev = NULL; |
445 | struct buffer_head *bh; | 434 | struct buffer_head *bh; |
@@ -450,8 +439,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices, | |||
450 | int seeding = 1; | 439 | int seeding = 1; |
451 | int ret = 0; | 440 | int ret = 0; |
452 | 441 | ||
453 | list_for_each(cur, head) { | 442 | list_for_each_entry(device, head, dev_list) { |
454 | device = list_entry(cur, struct btrfs_device, dev_list); | ||
455 | if (device->bdev) | 443 | if (device->bdev) |
456 | continue; | 444 | continue; |
457 | if (!device->name) | 445 | if (!device->name) |
@@ -578,7 +566,7 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder, | |||
578 | *(unsigned long long *)disk_super->fsid, | 566 | *(unsigned long long *)disk_super->fsid, |
579 | *(unsigned long long *)(disk_super->fsid + 8)); | 567 | *(unsigned long long *)(disk_super->fsid + 8)); |
580 | } | 568 | } |
581 | printk(KERN_INFO "devid %llu transid %llu %s\n", | 569 | printk(KERN_CONT "devid %llu transid %llu %s\n", |
582 | (unsigned long long)devid, (unsigned long long)transid, path); | 570 | (unsigned long long)devid, (unsigned long long)transid, path); |
583 | ret = device_list_add(path, disk_super, devid, fs_devices_ret); | 571 | ret = device_list_add(path, disk_super, devid, fs_devices_ret); |
584 | 572 | ||
@@ -1017,14 +1005,12 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) | |||
1017 | } | 1005 | } |
1018 | 1006 | ||
1019 | if (strcmp(device_path, "missing") == 0) { | 1007 | if (strcmp(device_path, "missing") == 0) { |
1020 | struct list_head *cur; | ||
1021 | struct list_head *devices; | 1008 | struct list_head *devices; |
1022 | struct btrfs_device *tmp; | 1009 | struct btrfs_device *tmp; |
1023 | 1010 | ||
1024 | device = NULL; | 1011 | device = NULL; |
1025 | devices = &root->fs_info->fs_devices->devices; | 1012 | devices = &root->fs_info->fs_devices->devices; |
1026 | list_for_each(cur, devices) { | 1013 | list_for_each_entry(tmp, devices, dev_list) { |
1027 | tmp = list_entry(cur, struct btrfs_device, dev_list); | ||
1028 | if (tmp->in_fs_metadata && !tmp->bdev) { | 1014 | if (tmp->in_fs_metadata && !tmp->bdev) { |
1029 | device = tmp; | 1015 | device = tmp; |
1030 | break; | 1016 | break; |
@@ -1280,7 +1266,6 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) | |||
1280 | struct btrfs_trans_handle *trans; | 1266 | struct btrfs_trans_handle *trans; |
1281 | struct btrfs_device *device; | 1267 | struct btrfs_device *device; |
1282 | struct block_device *bdev; | 1268 | struct block_device *bdev; |
1283 | struct list_head *cur; | ||
1284 | struct list_head *devices; | 1269 | struct list_head *devices; |
1285 | struct super_block *sb = root->fs_info->sb; | 1270 | struct super_block *sb = root->fs_info->sb; |
1286 | u64 total_bytes; | 1271 | u64 total_bytes; |
@@ -1304,8 +1289,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) | |||
1304 | mutex_lock(&root->fs_info->volume_mutex); | 1289 | mutex_lock(&root->fs_info->volume_mutex); |
1305 | 1290 | ||
1306 | devices = &root->fs_info->fs_devices->devices; | 1291 | devices = &root->fs_info->fs_devices->devices; |
1307 | list_for_each(cur, devices) { | 1292 | list_for_each_entry(device, devices, dev_list) { |
1308 | device = list_entry(cur, struct btrfs_device, dev_list); | ||
1309 | if (device->bdev == bdev) { | 1293 | if (device->bdev == bdev) { |
1310 | ret = -EEXIST; | 1294 | ret = -EEXIST; |
1311 | goto error; | 1295 | goto error; |
@@ -1704,7 +1688,6 @@ static u64 div_factor(u64 num, int factor) | |||
1704 | int btrfs_balance(struct btrfs_root *dev_root) | 1688 | int btrfs_balance(struct btrfs_root *dev_root) |
1705 | { | 1689 | { |
1706 | int ret; | 1690 | int ret; |
1707 | struct list_head *cur; | ||
1708 | struct list_head *devices = &dev_root->fs_info->fs_devices->devices; | 1691 | struct list_head *devices = &dev_root->fs_info->fs_devices->devices; |
1709 | struct btrfs_device *device; | 1692 | struct btrfs_device *device; |
1710 | u64 old_size; | 1693 | u64 old_size; |
@@ -1723,8 +1706,7 @@ int btrfs_balance(struct btrfs_root *dev_root) | |||
1723 | dev_root = dev_root->fs_info->dev_root; | 1706 | dev_root = dev_root->fs_info->dev_root; |
1724 | 1707 | ||
1725 | /* step one make some room on all the devices */ | 1708 | /* step one make some room on all the devices */ |
1726 | list_for_each(cur, devices) { | 1709 | list_for_each_entry(device, devices, dev_list) { |
1727 | device = list_entry(cur, struct btrfs_device, dev_list); | ||
1728 | old_size = device->total_bytes; | 1710 | old_size = device->total_bytes; |
1729 | size_to_free = div_factor(old_size, 1); | 1711 | size_to_free = div_factor(old_size, 1); |
1730 | size_to_free = min(size_to_free, (u64)1 * 1024 * 1024); | 1712 | size_to_free = min(size_to_free, (u64)1 * 1024 * 1024); |