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GET /api/patches/2216333/?format=api
{ "id": 2216333, "url": "http://patchwork.ozlabs.org/api/patches/2216333/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-79-jack@suse.cz/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260326095354.16340-79-jack@suse.cz>", "list_archive_url": null, "date": "2026-03-26T09:54:31", "name": "[37/42] fat: Track metadata bhs in fs-private inode part", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "b81742d2a42b37b397e6b145692afe3bab919cad", "submitter": { "id": 363, "url": "http://patchwork.ozlabs.org/api/people/363/?format=api", "name": "Jan Kara", "email": "jack@suse.cz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-79-jack@suse.cz/mbox/", "series": [ { "id": 497561, "url": "http://patchwork.ozlabs.org/api/series/497561/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=497561", "date": "2026-03-26T09:53:55", "name": "fs: Move metadata bh tracking from address_space", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497561/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216333/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216333/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=N/c6=B2=vger.kernel.org=linux-ext4+bounces-15434-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=YmcjOrSP;\n\tdkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=sO0Chhzi;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=YmcjOrSP;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=sO0Chhzi;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n\ts=susede2_ed25519; t=1774518901;\n\th=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=BnFp6fRjMsNYweIm8BSLYVMSE5XI4m1fbc7vtBPME0o=;\n\tb=sO0Chhzi+iWLjP/4ewJVSq/bmeuss1RPPw1eaL/BbucXY9oSVzQGHIEysgnvaOfv7zIufO\n\tnzvBzQYVFxulTsAQ==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_rsa;\n\tt=1774518901;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=BnFp6fRjMsNYweIm8BSLYVMSE5XI4m1fbc7vtBPME0o=;\n\tb=YmcjOrSPxqzOvwbWDIs+Dv+H8ZUWLCrnoyIqWMS9lKmPSI73nJW/5dhIQohWmtryQpuLBA\n\tkxTTP1SjEh4fLCU5r5jy95Fc2tQiBkd9zrla8qGQnCxabDCC8CvnnoirWgx286iG/NOPMa\n\tzThjFYSCXKw9kJ/pKzYipG6lRHi7E+k=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n\ts=susede2_ed25519; t=1774518901;\n\th=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=BnFp6fRjMsNYweIm8BSLYVMSE5XI4m1fbc7vtBPME0o=;\n\tb=sO0Chhzi+iWLjP/4ewJVSq/bmeuss1RPPw1eaL/BbucXY9oSVzQGHIEysgnvaOfv7zIufO\n\tnzvBzQYVFxulTsAQ==" ], "From": "Jan Kara <jack@suse.cz>", "To": "<linux-fsdevel@vger.kernel.org>", "Cc": "<linux-block@vger.kernel.org>,\n\tChristian Brauner <brauner@kernel.org>,\n\tAl Viro <viro@ZenIV.linux.org.uk>,\n\t<linux-ext4@vger.kernel.org>,\n\tTed Tso <tytso@mit.edu>,\n\t\"Tigran A. Aivazian\" <aivazian.tigran@gmail.com>,\n\tDavid Sterba <dsterba@suse.com>,\n\tOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,\n\tMuchun Song <muchun.song@linux.dev>,\n\tOscar Salvador <osalvador@suse.de>,\n\tDavid Hildenbrand <david@kernel.org>,\n\tlinux-mm@kvack.org,\n\tlinux-aio@kvack.org,\n\tBenjamin LaHaise <bcrl@kvack.org>,\n\tJan Kara <jack@suse.cz>", "Subject": "[PATCH 37/42] fat: Track metadata bhs in fs-private inode part", "Date": "Thu, 26 Mar 2026 10:54:31 +0100", "Message-ID": "<20260326095354.16340-79-jack@suse.cz>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20260326082428.31660-1-jack@suse.cz>", "References": "<20260326082428.31660-1-jack@suse.cz>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=8925; i=jack@suse.cz;\n h=from:subject; bh=z7dxkAezePiNXAc4aZS1jzema0K0KhJ1ERZ6rWueUhA=;\n b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpxQJSE2w1jnzWGYSjvpuLaWDkDX7Uz5tCiqqo6\n cURIGB3Xl6JATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCacUCUgAKCRCcnaoHP2RA\n 2f1XCACEg697pzAgCUABP8yDwxBDit/7S9+mF/YW/fxQHl59JPPK+BsuDQoymt8CAQLc4vxa+La\n UL8H+HHu2mdsxrHOJ6Qi/xc5rTMt2OBWL8hsHzp+CWb5uUXidAPw2k/7K4ONhXdqH4HnxP0hQEH\n 3n16+W9YVMDxGK6Bf3GIlYKYGfhpAHe7M6vOuUeAXXQMzqG8iXJc9Kk4PMcL4FsTY2x6nzVsT/z\n b7Sp73t4E8LxbM/+tapKfT4yabDRp7Ak7hldk/YDM2E2aHdn/BwCTUNTNwrHDvkKMw+UsoDlnXO\n cz3nqfbWc50gfDs65YORb0pZYMDp+frkP4xVtOizhXS6h30d", "X-Developer-Key": "i=jack@suse.cz; a=openpgp;\n fpr=93C6099A142276A28BBE35D815BC833443038D8C", "Content-Transfer-Encoding": "8bit", "X-Spam-Score": "-1.30", "X-Spam-Level": "", "X-Spamd-Result": "default: False [-1.30 / 50.00];\n\tBAYES_HAM(-3.00)[100.00%];\n\tSUSPICIOUS_RECIPS(1.50)[];\n\tNEURAL_HAM_LONG(-1.00)[-1.000];\n\tMID_CONTAINS_FROM(1.00)[];\n\tR_MISSING_CHARSET(0.50)[];\n\tNEURAL_HAM_SHORT(-0.20)[-1.000];\n\tMIME_GOOD(-0.10)[text/plain];\n\tTAGGED_RCPT(0.00)[];\n\tMIME_TRACE(0.00)[0:+];\n\tFUZZY_RATELIMITED(0.00)[rspamd.com];\n\tRCVD_VIA_SMTP_AUTH(0.00)[];\n\tTO_DN_SOME(0.00)[];\n\tRCPT_COUNT_TWELVE(0.00)[16];\n\tARC_NA(0.00)[];\n\tRCVD_COUNT_THREE(0.00)[3];\n\tDKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n\tFROM_HAS_DN(0.00)[];\n\tFREEMAIL_CC(0.00)[vger.kernel.org,kernel.org,ZenIV.linux.org.uk,mit.edu,gmail.com,suse.com,mail.parknet.co.jp,linux.dev,suse.de,kvack.org,suse.cz];\n\tR_RATELIMIT(0.00)[to(RLpnp1psq57oqao6ocwdpbxen9),to_ip_from(RLck8brw5hxmszoarioc7838it)];\n\tFROM_EQ_ENVFROM(0.00)[];\n\tTO_MATCH_ENVRCPT_ALL(0.00)[];\n\tDBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo];\n\tRCVD_TLS_LAST(0.00)[];\n\tFREEMAIL_ENVRCPT(0.00)[gmail.com]", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_MISSING,\n\tHEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "Track metadata bhs for an inode in fs-private part of the inode.\n\nSigned-off-by: Jan Kara <jack@suse.cz>\n---\n fs/fat/dir.c | 17 ++++++++++-------\n fs/fat/fat.h | 1 +\n fs/fat/fatent.c | 15 ++++++++++-----\n fs/fat/file.c | 8 +++++---\n fs/fat/inode.c | 5 +++--\n fs/fat/namei_msdos.c | 6 ++++--\n fs/fat/namei_vfat.c | 2 +-\n 7 files changed, 34 insertions(+), 20 deletions(-)", "diff": "diff --git a/fs/fat/dir.c b/fs/fat/dir.c\nindex 4b8b25f688e4..4f6f42f33613 100644\n--- a/fs/fat/dir.c\n+++ b/fs/fat/dir.c\n@@ -1027,7 +1027,7 @@ static int __fat_remove_entries(struct inode *dir, loff_t pos, int nr_slots)\n \t\t\tde++;\n \t\t\tnr_slots--;\n \t\t}\n-\t\tmark_buffer_dirty_inode(bh, dir);\n+\t\tmmb_mark_buffer_dirty(bh, &MSDOS_I(dir)->i_metadata_bhs);\n \t\tif (IS_DIRSYNC(dir))\n \t\t\terr = sync_dirty_buffer(bh);\n \t\tbrelse(bh);\n@@ -1062,7 +1062,7 @@ int fat_remove_entries(struct inode *dir, struct fat_slot_info *sinfo)\n \t\tde--;\n \t\tnr_slots--;\n \t}\n-\tmark_buffer_dirty_inode(bh, dir);\n+\tmmb_mark_buffer_dirty(bh, &MSDOS_I(dir)->i_metadata_bhs);\n \tif (IS_DIRSYNC(dir))\n \t\terr = sync_dirty_buffer(bh);\n \tbrelse(bh);\n@@ -1114,7 +1114,7 @@ static int fat_zeroed_cluster(struct inode *dir, sector_t blknr, int nr_used,\n \t\tmemset(bhs[n]->b_data, 0, sb->s_blocksize);\n \t\tset_buffer_uptodate(bhs[n]);\n \t\tunlock_buffer(bhs[n]);\n-\t\tmark_buffer_dirty_inode(bhs[n], dir);\n+\t\tmmb_mark_buffer_dirty(bhs[n], &MSDOS_I(dir)->i_metadata_bhs);\n \n \t\tn++;\n \t\tblknr++;\n@@ -1195,7 +1195,7 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec64 *ts)\n \tmemset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de));\n \tset_buffer_uptodate(bhs[0]);\n \tunlock_buffer(bhs[0]);\n-\tmark_buffer_dirty_inode(bhs[0], dir);\n+\tmmb_mark_buffer_dirty(bhs[0], &MSDOS_I(dir)->i_metadata_bhs);\n \n \terr = fat_zeroed_cluster(dir, blknr, 1, bhs, MAX_BUF_PER_PAGE);\n \tif (err)\n@@ -1257,7 +1257,8 @@ static int fat_add_new_entries(struct inode *dir, void *slots, int nr_slots,\n \t\t\tmemcpy(bhs[n]->b_data, slots, copy);\n \t\t\tset_buffer_uptodate(bhs[n]);\n \t\t\tunlock_buffer(bhs[n]);\n-\t\t\tmark_buffer_dirty_inode(bhs[n], dir);\n+\t\t\tmmb_mark_buffer_dirty(bhs[n],\n+\t\t\t\t\t &MSDOS_I(dir)->i_metadata_bhs);\n \t\t\tslots += copy;\n \t\t\tsize -= copy;\n \t\t\tif (!size)\n@@ -1358,7 +1359,8 @@ int fat_add_entries(struct inode *dir, void *slots, int nr_slots,\n \t\tfor (i = 0; i < long_bhs; i++) {\n \t\t\tint copy = umin(sb->s_blocksize - offset, size);\n \t\t\tmemcpy(bhs[i]->b_data + offset, slots, copy);\n-\t\t\tmark_buffer_dirty_inode(bhs[i], dir);\n+\t\t\tmmb_mark_buffer_dirty(bhs[i],\n+\t\t\t\t\t &MSDOS_I(dir)->i_metadata_bhs);\n \t\t\toffset = 0;\n \t\t\tslots += copy;\n \t\t\tsize -= copy;\n@@ -1369,7 +1371,8 @@ int fat_add_entries(struct inode *dir, void *slots, int nr_slots,\n \t\t\t/* Fill the short name slot. */\n \t\t\tint copy = umin(sb->s_blocksize - offset, size);\n \t\t\tmemcpy(bhs[i]->b_data + offset, slots, copy);\n-\t\t\tmark_buffer_dirty_inode(bhs[i], dir);\n+\t\t\tmmb_mark_buffer_dirty(bhs[i],\n+\t\t\t\t\t &MSDOS_I(dir)->i_metadata_bhs);\n \t\t\tif (IS_DIRSYNC(dir))\n \t\t\t\terr = sync_dirty_buffer(bhs[i]);\n \t\t}\ndiff --git a/fs/fat/fat.h b/fs/fat/fat.h\nindex 0d269dba897b..5a58f0bf8ce8 100644\n--- a/fs/fat/fat.h\n+++ b/fs/fat/fat.h\n@@ -130,6 +130,7 @@ struct msdos_inode_info {\n \tstruct hlist_node i_dir_hash;\t/* hash by i_logstart */\n \tstruct rw_semaphore truncate_lock; /* protect bmap against truncate */\n \tstruct timespec64 i_crtime;\t/* File creation (birth) time */\n+\tstruct mapping_metadata_bhs i_metadata_bhs;\n \tstruct inode vfs_inode;\n };\n \ndiff --git a/fs/fat/fatent.c b/fs/fat/fatent.c\nindex a7061c2ad8e4..f0801d99dd62 100644\n--- a/fs/fat/fatent.c\n+++ b/fs/fat/fatent.c\n@@ -170,9 +170,11 @@ static void fat12_ent_put(struct fat_entry *fatent, int new)\n \t}\n \tspin_unlock(&fat12_entry_lock);\n \n-\tmark_buffer_dirty_inode(fatent->bhs[0], fatent->fat_inode);\n+\tmmb_mark_buffer_dirty(fatent->bhs[0],\n+\t\t\t &MSDOS_I(fatent->fat_inode)->i_metadata_bhs);\n \tif (fatent->nr_bhs == 2)\n-\t\tmark_buffer_dirty_inode(fatent->bhs[1], fatent->fat_inode);\n+\t\tmmb_mark_buffer_dirty(fatent->bhs[1],\n+\t\t\t\t&MSDOS_I(fatent->fat_inode)->i_metadata_bhs);\n }\n \n static void fat16_ent_put(struct fat_entry *fatent, int new)\n@@ -181,7 +183,8 @@ static void fat16_ent_put(struct fat_entry *fatent, int new)\n \t\tnew = EOF_FAT16;\n \n \t*fatent->u.ent16_p = cpu_to_le16(new);\n-\tmark_buffer_dirty_inode(fatent->bhs[0], fatent->fat_inode);\n+\tmmb_mark_buffer_dirty(fatent->bhs[0],\n+\t\t\t &MSDOS_I(fatent->fat_inode)->i_metadata_bhs);\n }\n \n static void fat32_ent_put(struct fat_entry *fatent, int new)\n@@ -189,7 +192,8 @@ static void fat32_ent_put(struct fat_entry *fatent, int new)\n \tWARN_ON(new & 0xf0000000);\n \tnew |= le32_to_cpu(*fatent->u.ent32_p) & ~0x0fffffff;\n \t*fatent->u.ent32_p = cpu_to_le32(new);\n-\tmark_buffer_dirty_inode(fatent->bhs[0], fatent->fat_inode);\n+\tmmb_mark_buffer_dirty(fatent->bhs[0],\n+\t\t\t &MSDOS_I(fatent->fat_inode)->i_metadata_bhs);\n }\n \n static int fat12_ent_next(struct fat_entry *fatent)\n@@ -395,7 +399,8 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs,\n \t\t\tmemcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize);\n \t\t\tset_buffer_uptodate(c_bh);\n \t\t\tunlock_buffer(c_bh);\n-\t\t\tmark_buffer_dirty_inode(c_bh, sbi->fat_inode);\n+\t\t\tmmb_mark_buffer_dirty(c_bh,\n+\t\t\t\t&MSDOS_I(sbi->fat_inode)->i_metadata_bhs);\n \t\t\tif (sb->s_flags & SB_SYNCHRONOUS)\n \t\t\t\terr = sync_dirty_buffer(c_bh);\n \t\t\tbrelse(c_bh);\ndiff --git a/fs/fat/file.c b/fs/fat/file.c\nindex 1551065a7964..becccdd2e501 100644\n--- a/fs/fat/file.c\n+++ b/fs/fat/file.c\n@@ -186,13 +186,15 @@ static int fat_file_release(struct inode *inode, struct file *filp)\n int fat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)\n {\n \tstruct inode *inode = filp->f_mapping->host;\n+\tstruct inode *fat_inode = MSDOS_SB(inode->i_sb)->fat_inode;\n \tint err;\n \n-\terr = generic_buffers_fsync_noflush(filp, start, end, datasync);\n+\terr = mmb_fsync_noflush(filp, &MSDOS_I(inode)->i_metadata_bhs,\n+\t\t\t\tstart, end, datasync);\n \tif (err)\n \t\treturn err;\n \n-\terr = sync_mapping_buffers(MSDOS_SB(inode->i_sb)->fat_inode->i_mapping);\n+\terr = mmb_sync(&MSDOS_I(fat_inode)->i_metadata_bhs);\n \tif (err)\n \t\treturn err;\n \n@@ -236,7 +238,7 @@ static int fat_cont_expand(struct inode *inode, loff_t size)\n \t\t */\n \t\terr = filemap_fdatawrite_range(mapping, start,\n \t\t\t\t\t start + count - 1);\n-\t\terr2 = sync_mapping_buffers(mapping);\n+\t\terr2 = mmb_sync(&MSDOS_I(inode)->i_metadata_bhs);\n \t\tif (!err)\n \t\t\terr = err2;\n \t\terr2 = write_inode_now(inode, 1);\ndiff --git a/fs/fat/inode.c b/fs/fat/inode.c\nindex ce88602b0d57..28f78df086ef 100644\n--- a/fs/fat/inode.c\n+++ b/fs/fat/inode.c\n@@ -658,11 +658,11 @@ static void fat_evict_inode(struct inode *inode)\n \t\tinode->i_size = 0;\n \t\tfat_truncate_blocks(inode, 0);\n \t} else {\n-\t\tsync_mapping_buffers(inode->i_mapping);\n+\t\tmmb_sync(&MSDOS_I(inode)->i_metadata_bhs);\n \t\tfat_free_eofblocks(inode);\n \t}\n \n-\tinvalidate_inode_buffers(inode);\n+\tmmb_invalidate(&MSDOS_I(inode)->i_metadata_bhs);\n \tclear_inode(inode);\n \tfat_cache_inval_inode(inode);\n \tfat_detach(inode);\n@@ -763,6 +763,7 @@ static struct inode *fat_alloc_inode(struct super_block *sb)\n \tei->i_pos = 0;\n \tei->i_crtime.tv_sec = 0;\n \tei->i_crtime.tv_nsec = 0;\n+\tmmb_init(&ei->i_metadata_bhs, &ei->vfs_inode.i_data);\n \n \treturn &ei->vfs_inode;\n }\ndiff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c\nindex 048c103b506a..4cc65f330fb7 100644\n--- a/fs/fat/namei_msdos.c\n+++ b/fs/fat/namei_msdos.c\n@@ -527,7 +527,8 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,\n \n \tif (update_dotdot) {\n \t\tfat_set_start(dotdot_de, MSDOS_I(new_dir)->i_logstart);\n-\t\tmark_buffer_dirty_inode(dotdot_bh, old_inode);\n+\t\tmmb_mark_buffer_dirty(dotdot_bh,\n+\t\t\t\t &MSDOS_I(old_inode)->i_metadata_bhs);\n \t\tif (IS_DIRSYNC(new_dir)) {\n \t\t\terr = sync_dirty_buffer(dotdot_bh);\n \t\t\tif (err)\n@@ -566,7 +567,8 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,\n \n \tif (update_dotdot) {\n \t\tfat_set_start(dotdot_de, MSDOS_I(old_dir)->i_logstart);\n-\t\tmark_buffer_dirty_inode(dotdot_bh, old_inode);\n+\t\tmmb_mark_buffer_dirty(dotdot_bh,\n+\t\t\t\t &MSDOS_I(old_inode)->i_metadata_bhs);\n \t\tcorrupt |= sync_dirty_buffer(dotdot_bh);\n \t}\n error_inode:\ndiff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c\nindex 87dcdd86272b..918b3756674c 100644\n--- a/fs/fat/namei_vfat.c\n+++ b/fs/fat/namei_vfat.c\n@@ -915,7 +915,7 @@ static int vfat_update_dotdot_de(struct inode *dir, struct inode *inode,\n \t\t\t\t struct msdos_dir_entry *dotdot_de)\n {\n \tfat_set_start(dotdot_de, MSDOS_I(dir)->i_logstart);\n-\tmark_buffer_dirty_inode(dotdot_bh, inode);\n+\tmmb_mark_buffer_dirty(dotdot_bh, &MSDOS_I(inode)->i_metadata_bhs);\n \tif (IS_DIRSYNC(dir))\n \t\treturn sync_dirty_buffer(dotdot_bh);\n \treturn 0;\n", "prefixes": [ "37/42" ] }