From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,konishi.ryusuke@gmail.com,akpm@linux-foundation.org
Subject: + nilfs2-convert-dat-to-use-kmap_local.patch added to mm-nonmm-unstable branch
Date: Mon, 22 Jan 2024 16:42:45 -0800 [thread overview]
Message-ID: <20240123004248.DA743C43390@smtp.kernel.org> (raw)
The patch titled
Subject: nilfs2: convert DAT to use kmap_local
has been added to the -mm mm-nonmm-unstable branch. Its filename is
nilfs2-convert-dat-to-use-kmap_local.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-convert-dat-to-use-kmap_local.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Subject: nilfs2: convert DAT to use kmap_local
Date: Mon, 22 Jan 2024 23:01:54 +0900
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 <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/nilfs2/dat.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
--- a/fs/nilfs2/dat.c~nilfs2-convert-dat-to-use-kmap_local
+++ a/fs/nilfs2/dat.c
@@ -91,13 +91,13 @@ void nilfs_dat_commit_alloc(struct inode
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
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
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 *
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 *
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 *
}
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 *d
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, __
}
}
- 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, __
__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 *da
}
}
- 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 *da
*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
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
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);
}
_
Patches currently in -mm which might be from konishi.ryusuke@gmail.com are
nilfs2-convert-recovery-logic-to-use-kmap_local.patch
nilfs2-convert-segment-buffer-to-use-kmap_local.patch
nilfs2-convert-nilfs_copy_buffer-to-use-kmap_local.patch
nilfs2-convert-metadata-file-common-code-to-use-kmap_local.patch
nilfs2-convert-sufile-to-use-kmap_local.patch
nilfs2-convert-persistent-object-allocator-to-use-kmap_local.patch
nilfs2-convert-dat-to-use-kmap_local.patch
nilfs2-move-nilfs_bmap_write-call-out-of-nilfs_write_inode_common.patch
nilfs2-do-not-acquire-rwsem-in-nilfs_bmap_write.patch
nilfs2-convert-ifile-to-use-kmap_local.patch
nilfs2-localize-highmem-mapping-for-checkpoint-creation-within-cpfile.patch
nilfs2-localize-highmem-mapping-for-checkpoint-finalization-within-cpfile.patch
nilfs2-localize-highmem-mapping-for-checkpoint-reading-within-cpfile.patch
nilfs2-remove-nilfs_cpfile_getput_checkpoint.patch
nilfs2-convert-cpfile-to-use-kmap_local.patch
reply other threads:[~2024-01-23 0:42 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240123004248.DA743C43390@smtp.kernel.org \
--to=akpm@linux-foundation.org \
--cc=konishi.ryusuke@gmail.com \
--cc=mm-commits@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.