Introduce SB_INLINECRYPT, which is set by filesystems that wish to use
blk-crypto for file content en/decryption. This flag maps to the
'-o inlinecrypt' mount option which multiple filesystems will implement,
and code in fs/crypto/ needs to be able to check for this mount option
in a filesystem-independent way.

Signed-off-by: Satya Tangirala <[email protected]>
Reviewed-by: Eric Biggers <[email protected]>
---
 include/linux/fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3f881a892ea7..b5e07fcdd11d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1380,6 +1380,7 @@ extern int send_sigurg(struct fown_struct *fown);
 #define SB_NODIRATIME  2048    /* Do not update directory access times */
 #define SB_SILENT      32768
 #define SB_POSIXACL    (1<<16) /* VFS does not apply the umask */
+#define SB_INLINECRYPT (1<<17) /* Use blk-crypto for encrypted files */
 #define SB_KERNMOUNT   (1<<22) /* this is a kern_mount call */
 #define SB_I_VERSION   (1<<23) /* Update inode I_version field */
 #define SB_LAZYTIME    (1<<25) /* Update the on-disk [acm]times lazily */
-- 
2.27.0.212.ge8ba1cc988-goog



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