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Aivazian" , David Sterba , OGAWA Hirofumi , Muchun Song , Oscar Salvador , David Hildenbrand , linux-mm@kvack.org, linux-aio@kvack.org, Benjamin LaHaise , Jan Kara Subject: [PATCH 37/41] minix: Track metadata bhs in fs-private inode part Date: Fri, 20 Mar 2026 14:41:32 +0100 Message-ID: <20260320134100.20731-78-jack@suse.cz> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260320131728.6449-1-jack@suse.cz> References: <20260320131728.6449-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4755; i=jack@suse.cz; h=from:subject; bh=+gI0d7ZrtcYpFe/TC2/HuBnlqIdH/Oa/KzrJSvIm3yQ=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpvU6MP3cCFiT/aLD5vOor13PcWVO8kCRuMRMaX zt7IMI92lWJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCab1OjAAKCRCcnaoHP2RA 2QR8CAClXg3d+N3/bqNiRRpe2IrNUXfjQdOVc7lGcDotv64qqab3rTiKZdlmdv8Bd2KcoRnaomQ Myg7leYfa2Nvnic5ekMzWTGqL9RLKhGSRJzI49lITxoSrnS9lrifmtbZe9pvWIOa70EvsU9vh+W fEhXM65Ol7LLcCo4roNxXflza9tT6vBfa91zvXlYSTjT7kmttW7Dzd5UIJY25KGOqydR1MLP9Xn EAvZ0wvTq/gvje2MjjL70nwEfNY51q+eNMkHYnvT3vdFHvLD3677QT8X8U4w0TO6XwxIhNBW4D1 YbqRl1TQno6ZT9HAR5QEqXW3ZDMOeiK1jjpgUQ0o/UsnAkoy X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Stat-Signature: 1rsf6mnwx6441d5jd1fy6kqnm634dkf5 X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: 6D0CBA0009 X-HE-Tag: 1774014226-928020 X-HE-Meta: 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 X39p6Lpc /cgOZnpI/9yx7OQJLl94wZDB9ogNrAWcvry7mMR0J2bCZOyRWs2NxUTwM8JTwZNros23Q3IZUqkCx+rk7ENf/LMah0QiMd0h0OuQ5olrRcYXWqWSsIF/xMgv/C20lePeOPAYGkAHzgEGqo7V9hKqa7ewkXnmt6n6NZ646EBCLlx9L7Uv6llq/8NaythZVa0vtQ0yY7IIA8JDIqk1GSKlRd+b3mq2NuXY2f0gZ3aqGKwJncW02AeAErICFkAw/VcYB8IWq+iImk8ScDTr/A+5a1JVkMcQ0yEbhWH7xCENpmlIO5PfykvDBjotSOy5soxpDtxMf4l6VHpvG/vPgW1R6f+90Sn7NIUS+BOzV Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Track metadata bhs for an inode in fs-private part of the inode. Signed-off-by: Jan Kara --- fs/minix/dir.c | 2 +- fs/minix/file.c | 10 +++++++++- fs/minix/inode.c | 6 ++++-- fs/minix/itree_common.c | 11 +++++++---- fs/minix/minix.h | 3 +++ 5 files changed, 24 insertions(+), 8 deletions(-) diff --git a/fs/minix/dir.c b/fs/minix/dir.c index a74d000327fa..361d26d87d2e 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -23,7 +23,7 @@ const struct file_operations minix_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .iterate_shared = minix_readdir, - .fsync = generic_buffers_fsync, + .fsync = minix_fsync, }; /* diff --git a/fs/minix/file.c b/fs/minix/file.c index 282b3cd1fea3..bc0be789343a 100644 --- a/fs/minix/file.c +++ b/fs/minix/file.c @@ -7,8 +7,16 @@ * minix regular file handling primitives */ +#include #include "minix.h" +int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync) +{ + return generic_mmb_fsync(file, + &minix_i(file->f_mapping->host)->i_metadata_bhs, + start, end, datasync); +} + /* * We have mostly NULLs here: the current defaults are OK for * the minix filesystem. @@ -18,7 +26,7 @@ const struct file_operations minix_file_operations = { .read_iter = generic_file_read_iter, .write_iter = generic_file_write_iter, .mmap_prepare = generic_file_mmap_prepare, - .fsync = generic_buffers_fsync, + .fsync = minix_fsync, .splice_read = filemap_splice_read, }; diff --git a/fs/minix/inode.c b/fs/minix/inode.c index ab7c06efb139..adba14628d1b 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -49,9 +49,9 @@ static void minix_evict_inode(struct inode *inode) inode->i_size = 0; minix_truncate(inode); } else { - sync_mapping_buffers(&inode->i_data); + mmb_sync_buffers(&minix_i(inode)->i_metadata_bhs); } - invalidate_inode_buffers(inode); + mmb_invalidate_buffers(&minix_i(inode)->i_metadata_bhs); clear_inode(inode); if (!inode->i_nlink) minix_free_inode(inode); @@ -85,6 +85,8 @@ static struct inode *minix_alloc_inode(struct super_block *sb) ei = alloc_inode_sb(sb, minix_inode_cachep, GFP_KERNEL); if (!ei) return NULL; + mmb_init(&ei->i_metadata_bhs, &ei->vfs_inode.i_data); + return &ei->vfs_inode; } diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c index dad131e30c05..c3cd2c75af9c 100644 --- a/fs/minix/itree_common.c +++ b/fs/minix/itree_common.c @@ -98,7 +98,7 @@ static int alloc_branch(struct inode *inode, *branch[n].p = branch[n].key; set_buffer_uptodate(bh); unlock_buffer(bh); - mark_buffer_dirty_inode(bh, inode); + mmb_mark_buffer_dirty(bh, &minix_i(inode)->i_metadata_bhs); parent = nr; } if (n == num) @@ -135,7 +135,8 @@ static inline int splice_branch(struct inode *inode, /* had we spliced it onto indirect block? */ if (where->bh) - mark_buffer_dirty_inode(where->bh, inode); + mmb_mark_buffer_dirty(where->bh, + &minix_i(inode)->i_metadata_bhs); mark_inode_dirty(inode); return 0; @@ -328,14 +329,16 @@ static inline void truncate (struct inode * inode) if (partial == chain) mark_inode_dirty(inode); else - mark_buffer_dirty_inode(partial->bh, inode); + mmb_mark_buffer_dirty(partial->bh, + &minix_i(inode)->i_metadata_bhs); free_branches(inode, &nr, &nr+1, (chain+n-1) - partial); } /* Clear the ends of indirect blocks on the shared branch */ while (partial > chain) { free_branches(inode, partial->p + 1, block_end(partial->bh), (chain+n-1) - partial); - mark_buffer_dirty_inode(partial->bh, inode); + mmb_mark_buffer_dirty(partial->bh, + &minix_i(inode)->i_metadata_bhs); brelse (partial->bh); partial--; } diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 7e1f652f16d3..f2025c9b5825 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -19,6 +19,7 @@ struct minix_inode_info { __u16 i1_data[16]; __u32 i2_data[16]; } u; + struct mapping_metadata_bhs i_metadata_bhs; struct inode vfs_inode; }; @@ -57,6 +58,8 @@ unsigned long minix_count_free_blocks(struct super_block *sb); int minix_getattr(struct mnt_idmap *, const struct path *, struct kstat *, u32, unsigned int); int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len); +struct mapping_metadata_bhs *minix_get_metadata_bhs(struct inode *inode); +int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync); extern void V1_minix_truncate(struct inode *); extern void V2_minix_truncate(struct inode *); -- 2.51.0