From 065458733738ff8415d7393aab38eb8f89e4ceb6 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Mon, 22 Jan 2024 23:01:54 +0900 Subject: 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. Link: https://lkml.kernel.org/r/20240122140202.6950-8-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton --- fs/nilfs2/dat.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'fs/nilfs2') 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); } -- cgit v1.2.3