hfs: rework hfsplus_readdir() logic#1434
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The xfstests' test-case generic/637 fails with error: FSTYP -- hfs PLATFORM -- Linux/x86_64 kvm-xfstests 6.15.0-rc4-xfstests-g00b827f0cffa #1 SMP PREEMPT_DYNAMIC Fri May 25 MKFS_OPTIONS -- /dev/vdc MOUNT_OPTIONS -- /dev/vdc /vdc QA output created by 637 entries 7 and 8 have duplicate d_off 8 Found unlinked files in open dir (see xfstests-dev/results//generic/637.full for details) Likewise HFS+, currently, HFS has very complicated and fragile logic of rd->file->f_pos correction in hfs_delete_cat(). This patch removes this logic and it stores the current pos into hfs_readdir_data. Finally, if rd->pos == ctx->pos then hfs_readdir() tries to find the position in b-tree's node by means of hfs_cat_key. This position is used to re-start the folder's content traversal. sudo ./check generic/637 FSTYP -- hfs PLATFORM -- Linux/x86_64 hfsplus-testing-0001 7.1.0-rc1+ #55 SMP PREEMPT_DYNAMIC Tue May 19 15:18:02 PDT 2026 MKFS_OPTIONS -- /dev/loop51 MOUNT_OPTIONS -- /dev/loop51 /mnt/scratch generic/637 32s ... 31s Ran: generic/637 Passed all 1 tests Closes: hfs-linux-kernel/hfs-linux-kernel#65 Signed-off-by: Viacheslav Dubeyko <slava@dubeyko.com> cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> cc: Yangtao Li <frank.li@vivo.com> cc: linux-fsdevel@vger.kernel.org
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Series: https://patchwork.kernel.org/project/linux-fsdevel/list/?series=1097640
Submitter: Viacheslav Dubeyko
Version: 1
Patches: 1/1
Message-ID:
<20260519222811.1311071-2-slava@dubeyko.com>Base: vfs.base.ci
Lore: https://lore.kernel.org/linux-fsdevel/20260519222811.1311071-2-slava@dubeyko.com
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