exfat: Implement fileattr_get for case sensitivity

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Report exFAT's case sensitivity behavior via the FS_XFLAG_CASEFOLD
flag. exFAT compares names through the volume's upcase table; in
practice that table folds case, and case is preserved at rest.

Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Roland Mainz <roland.mainz@nrubsig.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Link: https://github.com/exfatprogs/exfatprogs/issues/313
Link: https://patch.msgid.link/20260507-case-sensitivity-v14-4-e62cc8200435@oracle.com
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Chuck Lever 2026-05-07 04:52:57 -04:00 • committed by Christian Brauner

parent c92db2ca72

commit 27e0b573dd

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3 changed files with 19 additions and 2 deletions

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2

fs/exfat/exfat_fs.h

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18

fs/exfat/file.c

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1

fs/exfat/namei.c

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