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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 , kvm@vger.kernel.org, Paolo Bonzini , Christoph Hellwig Subject: [PATCH 27/42] kvm: Use private inode list instead of i_private_list Date: Thu, 26 Mar 2026 10:54:21 +0100 Message-ID: <20260326095354.16340-69-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> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2244; i=jack@suse.cz; h=from:subject; bh=8BltPTgRrYXS74k/jRdBXdCWWkCHR1h2kZanq93z8Js=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpxQJJMyHuU/3ELVIudu1rF0GGX7ypYh6CAVU2g NgW+LKl4xiJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCacUCSQAKCRCcnaoHP2RA 2aduB/9Jwc/U1s4qbiVmV4BfMyZLi02tfp5luwGvNuxAPtN0u0xT+6Z3YsHsIiwR7NUdsVwGd6e rcry5sQjYJJO8IB8+L3A28rPif3tndKm4DrWEjaLYNzJbfk2nY12VLSzIgApxw9pf3Es2vubl0d T0fnoy12qDN7D75ASstI0WO8lXP3ogab4Q3VAFi/TLyDMmP6lozAMlF74ecvAnl/DjBDzFAVS0I nyLkdUVPaUsVlhufM3J/I3S2kLKimCRVEfho7FP1MtAy81+LIx06rLrH27swvyRa98FfkdCFHBr L10qT7jYDA/adaIUnTHkIqPKqN4msKrQuHiFY4p5QLE6B0/R X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspam-User: X-Stat-Signature: rfkubjtrh5q47nietybxd3zqat7erbup X-Rspamd-Queue-Id: 015DF40010 X-Rspamd-Server: rspam09 X-HE-Tag: 1774518984-962357 X-HE-Meta: U2FsdGVkX1/8rytorcEdZLeDQwyfH0kuX2ILxjgMxNu59/8ayF9h0Y9JkuN3bgqJAuWpDM/4tKBcBvrnOLZNfcsk8l7WojPIhG9EqgdA2XsiRLt1KjZkqdYjVGpXdagDhakxBeD3tfpQ3XJ/RgD21B6a2oJbGyqDuPpTBhcLK2/xjBe6DzBMjlxdLvfnW4vAi0uSTVgSUo1lGOUzSC5fs2aYVux10s2a6gvsYVhYTphPybG3XlKNU2I1oVz4aRwwScwSkWud8Qoa+ByZ71B88cKoI3MLXv3d4SHDSv+kINZM8zLX+nwG6+XfzQDS+oadSM87xOlq7ndsfMuayA5jvXP+nE5eiutnNL2htXRfxHuJr7oYdjBhbmhW+/wDg80KUzVscYSI1TuQr9ijvoO8+fw0M8txyYgZSMk98qAuBLvADYuHfGGzePQ/rbZgRW6hp2Tttt+JOBM+mwTAcjozgGkM4wa8YoEQJ4Dh/flrPH1jFHkS1IrWZnt6y14H/8GyUrZ9pSGvb+oov3f1QyN4eqr2pAPMA7tsMUCW0m9dhCG0ERospOW+6jjC3G8Tt2mI3OLEsZ/s1ubbHMt4ylhI3DpTMM5ihR4IYXeoUJZasXbipJxa06PourzbMDpXR0O4ctdbQnH+fYrf46WTV9urQ2vCxqEJbtuSDeygYYawFmgD2ub99u0NjqwuDJSh3c7iFX9x9Yt1BSW6vcp6VvdBw0i//AxrW6PYS8CiaC7h/5X/GfX1X+3hXjVE8bM1dRahkibwG0t+zQUd+RHuBljiZ8bp5m8CTbQb51F7UmIaxaL+GwAl2SgZj6jTDQWq4s4FcnDHq/qyD9yukGkivN4kbF1GMx9S1FNUxtkc71mXtxZUFNfxDZKIIWizelI5gP7MlvQi6Xe9eEBZWUd7wSzN5amNEkNrv9xCjqKKpwwm8Hgmn2CkEc5lhtIZc+U3ANL8tMRfUULUWLQZ/Ci/2Yc w++Xc36u PKIgDt9p5jC+zZH0KkziAn5ShMEf9SfWNcSbkelb0ZljnWeSLU2Aa+jhwcV5lsoinyCNn1PGVReMR2Q8uTol7aMc7WQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Instead of using mapping->i_private_list use a list in private part of the inode. CC: kvm@vger.kernel.org CC: Paolo Bonzini Reviewed-by: Christoph Hellwig Signed-off-by: Jan Kara --- virt/kvm/guest_memfd.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c index 017d84a7adf3..42b237491c4e 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -30,6 +30,7 @@ struct gmem_file { struct gmem_inode { struct shared_policy policy; struct inode vfs_inode; + struct list_head gmem_file_list; u64 flags; }; @@ -39,8 +40,8 @@ static __always_inline struct gmem_inode *GMEM_I(struct inode *inode) return container_of(inode, struct gmem_inode, vfs_inode); } -#define kvm_gmem_for_each_file(f, mapping) \ - list_for_each_entry(f, &(mapping)->i_private_list, entry) +#define kvm_gmem_for_each_file(f, inode) \ + list_for_each_entry(f, &GMEM_I(inode)->gmem_file_list, entry) /** * folio_file_pfn - like folio_file_page, but return a pfn. @@ -202,7 +203,7 @@ static void kvm_gmem_invalidate_begin(struct inode *inode, pgoff_t start, attr_filter = kvm_gmem_get_invalidate_filter(inode); - kvm_gmem_for_each_file(f, inode->i_mapping) + kvm_gmem_for_each_file(f, inode) __kvm_gmem_invalidate_begin(f, start, end, attr_filter); } @@ -223,7 +224,7 @@ static void kvm_gmem_invalidate_end(struct inode *inode, pgoff_t start, { struct gmem_file *f; - kvm_gmem_for_each_file(f, inode->i_mapping) + kvm_gmem_for_each_file(f, inode) __kvm_gmem_invalidate_end(f, start, end); } @@ -609,7 +610,7 @@ static int __kvm_gmem_create(struct kvm *kvm, loff_t size, u64 flags) kvm_get_kvm(kvm); f->kvm = kvm; xa_init(&f->bindings); - list_add(&f->entry, &inode->i_mapping->i_private_list); + list_add(&f->entry, &GMEM_I(inode)->gmem_file_list); fd_install(fd, file); return fd; @@ -945,6 +946,7 @@ static struct inode *kvm_gmem_alloc_inode(struct super_block *sb) mpol_shared_policy_init(&gi->policy, NULL); gi->flags = 0; + INIT_LIST_HEAD(&gi->gmem_file_list); return &gi->vfs_inode; } -- 2.51.0