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Message-Id: <20240122140202.6950-8-konishi.ryusuke@gmail.com>
Date: Mon, 22 Jan 2024 23:01:54 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 07/15] nilfs2: convert DAT to use kmap_local
Concerning the code of the metadata file DAT for disk address translation,
convert all parts that use the deprecated kmap_atomic to use kmap_local.
All transformations are directly possible.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
fs/nilfs2/dat.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index 9cf6ba58f585..8f71f8b0e218 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -91,13 +91,13 @@ void nilfs_dat_commit_alloc(struct inode *dat, struct nilfs_palloc_req *req)
struct nilfs_dat_entry *entry;
void *kaddr;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
entry->de_start = cpu_to_le64(NILFS_CNO_MIN);
entry->de_end = cpu_to_le64(NILFS_CNO_MAX);
entry->de_blocknr = cpu_to_le64(0);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
nilfs_palloc_commit_alloc_entry(dat, req);
nilfs_dat_commit_entry(dat, req);
@@ -115,13 +115,13 @@ static void nilfs_dat_commit_free(struct inode *dat,
struct nilfs_dat_entry *entry;
void *kaddr;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
entry->de_start = cpu_to_le64(NILFS_CNO_MIN);
entry->de_end = cpu_to_le64(NILFS_CNO_MIN);
entry->de_blocknr = cpu_to_le64(0);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
nilfs_dat_commit_entry(dat, req);
@@ -145,12 +145,12 @@ void nilfs_dat_commit_start(struct inode *dat, struct nilfs_palloc_req *req,
struct nilfs_dat_entry *entry;
void *kaddr;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
entry->de_start = cpu_to_le64(nilfs_mdt_cno(dat));
entry->de_blocknr = cpu_to_le64(blocknr);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
nilfs_dat_commit_entry(dat, req);
}
@@ -167,12 +167,12 @@ int nilfs_dat_prepare_end(struct inode *dat, struct nilfs_palloc_req *req)
if (ret < 0)
return ret;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
start = le64_to_cpu(entry->de_start);
blocknr = le64_to_cpu(entry->de_blocknr);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
if (blocknr == 0) {
ret = nilfs_palloc_prepare_free_entry(dat, req);
@@ -202,7 +202,7 @@ void nilfs_dat_commit_end(struct inode *dat, struct nilfs_palloc_req *req,
sector_t blocknr;
void *kaddr;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
end = start = le64_to_cpu(entry->de_start);
@@ -212,7 +212,7 @@ void nilfs_dat_commit_end(struct inode *dat, struct nilfs_palloc_req *req,
}
entry->de_end = cpu_to_le64(end);
blocknr = le64_to_cpu(entry->de_blocknr);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
if (blocknr == 0)
nilfs_dat_commit_free(dat, req);
@@ -227,12 +227,12 @@ void nilfs_dat_abort_end(struct inode *dat, struct nilfs_palloc_req *req)
sector_t blocknr;
void *kaddr;
- kaddr = kmap_atomic(req->pr_entry_bh->b_page);
+ kaddr = kmap_local_page(req->pr_entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,
req->pr_entry_bh, kaddr);
start = le64_to_cpu(entry->de_start);
blocknr = le64_to_cpu(entry->de_blocknr);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
if (start == nilfs_mdt_cno(dat) && blocknr == 0)
nilfs_palloc_abort_free_entry(dat, req);
@@ -362,7 +362,7 @@ int nilfs_dat_move(struct inode *dat, __u64 vblocknr, sector_t blocknr)
}
}
- kaddr = kmap_atomic(entry_bh->b_page);
+ kaddr = kmap_local_page(entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);
if (unlikely(entry->de_blocknr == cpu_to_le64(0))) {
nilfs_crit(dat->i_sb,
@@ -370,13 +370,13 @@ int nilfs_dat_move(struct inode *dat, __u64 vblocknr, sector_t blocknr)
__func__, (unsigned long long)vblocknr,
(unsigned long long)le64_to_cpu(entry->de_start),
(unsigned long long)le64_to_cpu(entry->de_end));
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
brelse(entry_bh);
return -EINVAL;
}
WARN_ON(blocknr == 0);
entry->de_blocknr = cpu_to_le64(blocknr);
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
mark_buffer_dirty(entry_bh);
nilfs_mdt_mark_dirty(dat);
@@ -426,7 +426,7 @@ int nilfs_dat_translate(struct inode *dat, __u64 vblocknr, sector_t *blocknrp)
}
}
- kaddr = kmap_atomic(entry_bh->b_page);
+ kaddr = kmap_local_page(entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);
blocknr = le64_to_cpu(entry->de_blocknr);
if (blocknr == 0) {
@@ -436,7 +436,7 @@ int nilfs_dat_translate(struct inode *dat, __u64 vblocknr, sector_t *blocknrp)
*blocknrp = blocknr;
out:
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
brelse(entry_bh);
return ret;
}
@@ -457,7 +457,7 @@ ssize_t nilfs_dat_get_vinfo(struct inode *dat, void *buf, unsigned int visz,
0, &entry_bh);
if (ret < 0)
return ret;
- kaddr = kmap_atomic(entry_bh->b_page);
+ kaddr = kmap_local_page(entry_bh->b_page);
/* last virtual block number in this block */
first = vinfo->vi_vblocknr;
do_div(first, entries_per_block);
@@ -473,7 +473,7 @@ ssize_t nilfs_dat_get_vinfo(struct inode *dat, void *buf, unsigned int visz,
vinfo->vi_end = le64_to_cpu(entry->de_end);
vinfo->vi_blocknr = le64_to_cpu(entry->de_blocknr);
}
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
brelse(entry_bh);
}
--
2.34.1
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