xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nilfs2: remove the second argument of k[un]map_atomic()

Browse Source 
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Cong Wang <amwang@redhat.com>
This commit is contained in:
Cong Wang
2011-11-25 23:14:33 +08:00
committed by Cong Wang
parent 2b86ce2db3
commit 7b9c0976ac
9 changed files with 114 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
fs/nilfs2/sufile.c
View File

@@ -111,11 +111,11 @@ static void nilfs_sufile_mod_counter(struct buffer_head *header_bh,
struct nilfs_sufile_header *header;
void *kaddr;
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
le64_add_cpu(&header->sh_ncleansegs, ncleanadd);
le64_add_cpu(&header->sh_ndirtysegs, ndirtyadd);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
mark_buffer_dirty(header_bh);
}
@@ -319,11 +319,11 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump)
ret = nilfs_sufile_get_header_block(sufile, &header_bh);
if (ret < 0)
goto out_sem;
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
ncleansegs = le64_to_cpu(header->sh_ncleansegs);
last_alloc = le64_to_cpu(header->sh_last_alloc);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
nsegments = nilfs_sufile_get_nsegments(sufile);
maxsegnum = sui->allocmax;
@@ -356,7 +356,7 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump)
&su_bh);
if (ret < 0)
goto out_header;
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(
sufile, segnum, su_bh, kaddr);
@@ -367,14 +367,14 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump)
continue;
/* found a clean segment */
nilfs_segment_usage_set_dirty(su);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
le64_add_cpu(&header->sh_ncleansegs, -1);
le64_add_cpu(&header->sh_ndirtysegs, 1);
header->sh_last_alloc = cpu_to_le64(segnum);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
sui->ncleansegs--;
mark_buffer_dirty(header_bh);
@@ -385,7 +385,7 @@ int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump)
goto out_header;
}
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
brelse(su_bh);
}
@@ -407,16 +407,16 @@ void nilfs_sufile_do_cancel_free(struct inode *sufile, __u64 segnum,
struct nilfs_segment_usage *su;
void *kaddr;
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (unlikely(!nilfs_segment_usage_clean(su))) {
printk(KERN_WARNING "%s: segment %llu must be clean\n",
__func__, (unsigned long long)segnum);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
return;
}
nilfs_segment_usage_set_dirty(su);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
nilfs_sufile_mod_counter(header_bh, -1, 1);
NILFS_SUI(sufile)->ncleansegs--;
@@ -433,11 +433,11 @@ void nilfs_sufile_do_scrap(struct inode *sufile, __u64 segnum,
void *kaddr;
int clean, dirty;
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (su->su_flags == cpu_to_le32(1UL << NILFS_SEGMENT_USAGE_DIRTY) &&
su->su_nblocks == cpu_to_le32(0)) {
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
return;
}
clean = nilfs_segment_usage_clean(su);
@@ -447,7 +447,7 @@ void nilfs_sufile_do_scrap(struct inode *sufile, __u64 segnum,
su->su_lastmod = cpu_to_le64(0);
su->su_nblocks = cpu_to_le32(0);
su->su_flags = cpu_to_le32(1UL << NILFS_SEGMENT_USAGE_DIRTY);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
nilfs_sufile_mod_counter(header_bh, clean ? (u64)-1 : 0, dirty ? 0 : 1);
NILFS_SUI(sufile)->ncleansegs -= clean;
@@ -464,12 +464,12 @@ void nilfs_sufile_do_free(struct inode *sufile, __u64 segnum,
void *kaddr;
int sudirty;
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (nilfs_segment_usage_clean(su)) {
printk(KERN_WARNING "%s: segment %llu is already clean\n",
__func__, (unsigned long long)segnum);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
return;
}
WARN_ON(nilfs_segment_usage_error(su));
@@ -477,7 +477,7 @@ void nilfs_sufile_do_free(struct inode *sufile, __u64 segnum,
sudirty = nilfs_segment_usage_dirty(su);
nilfs_segment_usage_set_clean(su);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
mark_buffer_dirty(su_bh);
nilfs_sufile_mod_counter(header_bh, 1, sudirty ? (u64)-1 : 0);
@@ -525,13 +525,13 @@ int nilfs_sufile_set_segment_usage(struct inode *sufile, __u64 segnum,
if (ret < 0)
goto out_sem;
kaddr = kmap_atomic(bh->b_page, KM_USER0);
kaddr = kmap_atomic(bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, bh, kaddr);
WARN_ON(nilfs_segment_usage_error(su));
if (modtime)
su->su_lastmod = cpu_to_le64(modtime);
su->su_nblocks = cpu_to_le32(nblocks);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
mark_buffer_dirty(bh);
nilfs_mdt_mark_dirty(sufile);
@@ -572,7 +572,7 @@ int nilfs_sufile_get_stat(struct inode *sufile, struct nilfs_sustat *sustat)
if (ret < 0)
goto out_sem;
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
sustat->ss_nsegs = nilfs_sufile_get_nsegments(sufile);
sustat->ss_ncleansegs = le64_to_cpu(header->sh_ncleansegs);
@@ -582,7 +582,7 @@ int nilfs_sufile_get_stat(struct inode *sufile, struct nilfs_sustat *sustat)
spin_lock(&nilfs->ns_last_segment_lock);
sustat->ss_prot_seq = nilfs->ns_prot_seq;
spin_unlock(&nilfs->ns_last_segment_lock);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
brelse(header_bh);
out_sem:
@@ -598,15 +598,15 @@ void nilfs_sufile_do_set_error(struct inode *sufile, __u64 segnum,
void *kaddr;
int suclean;
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (nilfs_segment_usage_error(su)) {
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
return;
}
suclean = nilfs_segment_usage_clean(su);
nilfs_segment_usage_set_error(su);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
if (suclean) {
nilfs_sufile_mod_counter(header_bh, -1, 0);
@@ -675,7 +675,7 @@ static int nilfs_sufile_truncate_range(struct inode *sufile,
/* hole */
continue;
}
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(
sufile, segnum, su_bh, kaddr);
su2 = su;
@@ -684,7 +684,7 @@ static int nilfs_sufile_truncate_range(struct inode *sufile,
~(1UL << NILFS_SEGMENT_USAGE_ERROR)) ||
nilfs_segment_is_active(nilfs, segnum + j)) {
ret = -EBUSY;
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
brelse(su_bh);
goto out_header;
}
@@ -696,7 +696,7 @@ static int nilfs_sufile_truncate_range(struct inode *sufile,
nc++;
}
}
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
if (nc > 0) {
mark_buffer_dirty(su_bh);
ncleaned += nc;
@@ -772,10 +772,10 @@ int nilfs_sufile_resize(struct inode *sufile, __u64 newnsegs)
sui->ncleansegs -= nsegs - newnsegs;
}
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
header->sh_ncleansegs = cpu_to_le64(sui->ncleansegs);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
mark_buffer_dirty(header_bh);
nilfs_mdt_mark_dirty(sufile);
@@ -840,7 +840,7 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, void *buf,
continue;
}
kaddr = kmap_atomic(su_bh->b_page, KM_USER0);
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(
sufile, segnum, su_bh, kaddr);
for (j = 0; j < n;
@@ -853,7 +853,7 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, void *buf,
si->sui_flags |=
(1UL << NILFS_SEGMENT_USAGE_ACTIVE);
}
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
brelse(su_bh);
}
ret = nsegs;
@@ -902,10 +902,10 @@ int nilfs_sufile_read(struct super_block *sb, size_t susize,
goto failed;
sui = NILFS_SUI(sufile);
kaddr = kmap_atomic(header_bh->b_page, KM_USER0);
kaddr = kmap_atomic(header_bh->b_page);
header = kaddr + bh_offset(header_bh);
sui->ncleansegs = le64_to_cpu(header->sh_ncleansegs);
kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
brelse(header_bh);
sui->allocmax = nilfs_sufile_get_nsegments(sufile) - 1;