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Merge branch 'dev/fst-followup' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.5

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This commit is contained in:
Chris Mason 2016-01-27 05:48:23 -08:00
commit d32a4e3434
6 changed files with 34 additions and 18 deletions
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1
fs/btrfs/disk-io.c
View File

@ -182,6 +182,7 @@ static struct btrfs_lockdep_keyset {
{ .id = BTRFS_TREE_RELOC_OBJECTID, .name_stem = "treloc" },
{ .id = BTRFS_DATA_RELOC_TREE_OBJECTID, .name_stem = "dreloc" },
{ .id = BTRFS_UUID_TREE_OBJECTID, .name_stem = "uuid" },
{ .id = BTRFS_FREE_SPACE_TREE_OBJECTID, .name_stem = "free-space" },
{ .id = 0, .name_stem = "tree" },
};

18
fs/btrfs/free-space-tree.c
View File

@ -154,6 +154,20 @@ static inline u32 free_space_bitmap_size(u64 size, u32 sectorsize)
static unsigned long *alloc_bitmap(u32 bitmap_size)
{
void *mem;
/*
* The allocation size varies, observed numbers were < 4K up to 16K.
* Using vmalloc unconditionally would be too heavy, we'll try
* contiguous allocations first.
*/
if (bitmap_size <= PAGE_SIZE)
return kzalloc(bitmap_size, GFP_NOFS);
mem = kzalloc(bitmap_size, GFP_NOFS | __GFP_HIGHMEM | __GFP_NOWARN);
if (mem)
return mem;
return __vmalloc(bitmap_size, GFP_NOFS | __GFP_HIGHMEM | __GFP_ZERO,
PAGE_KERNEL);
}
@ -290,7 +304,7 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans,
ret = 0;
out:
vfree(bitmap);
kvfree(bitmap);
if (ret)
btrfs_abort_transaction(trans, root, ret);
return ret;
@ -439,7 +453,7 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans,
ret = 0;
out:
vfree(bitmap);
kvfree(bitmap);
if (ret)
btrfs_abort_transaction(trans, root, ret);
return ret;

3
fs/btrfs/relocation.c
View File

@ -575,7 +575,8 @@ static int is_cowonly_root(u64 root_objectid)
root_objectid == BTRFS_TREE_LOG_OBJECTID ||
root_objectid == BTRFS_CSUM_TREE_OBJECTID ||
root_objectid == BTRFS_UUID_TREE_OBJECTID ||
root_objectid == BTRFS_QUOTA_TREE_OBJECTID)
root_objectid == BTRFS_QUOTA_TREE_OBJECTID ||
root_objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
return 1;
return 0;
}

10
fs/btrfs/tests/btrfs-tests.c
View File

@ -82,18 +82,18 @@ void btrfs_destroy_test_fs(void)
struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(void)
{
struct btrfs_fs_info *fs_info = kzalloc(sizeof(struct btrfs_fs_info),
GFP_NOFS);
GFP_KERNEL);
if (!fs_info)
return fs_info;
fs_info->fs_devices = kzalloc(sizeof(struct btrfs_fs_devices),
GFP_NOFS);
GFP_KERNEL);
if (!fs_info->fs_devices) {
kfree(fs_info);
return NULL;
}
fs_info->super_copy = kzalloc(sizeof(struct btrfs_super_block),
GFP_NOFS);
GFP_KERNEL);
if (!fs_info->super_copy) {
kfree(fs_info->fs_devices);
kfree(fs_info);
@ -180,11 +180,11 @@ btrfs_alloc_dummy_block_group(unsigned long length)
{
struct btrfs_block_group_cache *cache;
cache = kzalloc(sizeof(*cache), GFP_NOFS);
cache = kzalloc(sizeof(*cache), GFP_KERNEL);
if (!cache)
return NULL;
cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl),
GFP_NOFS);
GFP_KERNEL);
if (!cache->free_space_ctl) {
kfree(cache);
return NULL;

12
fs/btrfs/tests/extent-io-tests.c
View File

@ -94,7 +94,7 @@ static int test_find_delalloc(void)
* test.
*/
for (index = 0; index < (total_dirty >> PAGE_CACHE_SHIFT); index++) {
page = find_or_create_page(inode->i_mapping, index, GFP_NOFS);
page = find_or_create_page(inode->i_mapping, index, GFP_KERNEL);
if (!page) {
test_msg("Failed to allocate test page\n");
ret = -ENOMEM;
@ -113,7 +113,7 @@ static int test_find_delalloc(void)
* |--- delalloc ---|
* |--- search ---|
*/
set_extent_delalloc(&tmp, 0, 4095, NULL, GFP_NOFS);
set_extent_delalloc(&tmp, 0, 4095, NULL, GFP_KERNEL);
start = 0;
end = 0;
found = find_lock_delalloc_range(inode, &tmp, locked_page, &start,
@ -144,7 +144,7 @@ static int test_find_delalloc(void)
test_msg("Couldn't find the locked page\n");
goto out_bits;
}
set_extent_delalloc(&tmp, 4096, max_bytes - 1, NULL, GFP_NOFS);
set_extent_delalloc(&tmp, 4096, max_bytes - 1, NULL, GFP_KERNEL);
start = test_start;
end = 0;
found = find_lock_delalloc_range(inode, &tmp, locked_page, &start,
@ -199,7 +199,7 @@ static int test_find_delalloc(void)
*
* We are re-using our test_start from above since it works out well.
*/
set_extent_delalloc(&tmp, max_bytes, total_dirty - 1, NULL, GFP_NOFS);
set_extent_delalloc(&tmp, max_bytes, total_dirty - 1, NULL, GFP_KERNEL);
start = test_start;
end = 0;
found = find_lock_delalloc_range(inode, &tmp, locked_page, &start,
@ -262,7 +262,7 @@ static int test_find_delalloc(void)
}
ret = 0;
out_bits:
clear_extent_bits(&tmp, 0, total_dirty - 1, (unsigned)-1, GFP_NOFS);
clear_extent_bits(&tmp, 0, total_dirty - 1, (unsigned)-1, GFP_KERNEL);
out:
if (locked_page)
page_cache_release(locked_page);
@ -360,7 +360,7 @@ static int test_eb_bitmaps(void)
test_msg("Running extent buffer bitmap tests\n");
bitmap = kmalloc(len, GFP_NOFS);
bitmap = kmalloc(len, GFP_KERNEL);
if (!bitmap) {
test_msg("Couldn't allocate test bitmap\n");
return -ENOMEM;

8
fs/btrfs/tests/inode-tests.c
View File

@ -974,7 +974,7 @@ static int test_extent_accounting(void)
(BTRFS_MAX_EXTENT_SIZE >> 1) + 4095,
EXTENT_DELALLOC | EXTENT_DIRTY |
EXTENT_UPTODATE | EXTENT_DO_ACCOUNTING, 0, 0,
NULL, GFP_NOFS);
NULL, GFP_KERNEL);
if (ret) {
test_msg("clear_extent_bit returned %d\n", ret);
goto out;
@ -1045,7 +1045,7 @@ static int test_extent_accounting(void)
BTRFS_MAX_EXTENT_SIZE+8191,
EXTENT_DIRTY | EXTENT_DELALLOC |
EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
NULL, GFP_NOFS);
NULL, GFP_KERNEL);
if (ret) {
test_msg("clear_extent_bit returned %d\n", ret);
goto out;
@ -1079,7 +1079,7 @@ static int test_extent_accounting(void)
ret = clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1,
EXTENT_DIRTY | EXTENT_DELALLOC |
EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
NULL, GFP_NOFS);
NULL, GFP_KERNEL);
if (ret) {
test_msg("clear_extent_bit returned %d\n", ret);
goto out;
@ -1096,7 +1096,7 @@ out:
clear_extent_bit(&BTRFS_I(inode)->io_tree, 0, (u64)-1,
EXTENT_DIRTY | EXTENT_DELALLOC |
EXTENT_DO_ACCOUNTING | EXTENT_UPTODATE, 0, 0,
NULL, GFP_NOFS);
NULL, GFP_KERNEL);
iput(inode);
btrfs_free_dummy_root(root);
return ret;