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Date: Thu, 14 May 2020 00:37:24 +0000 From: Satya Tangirala <satyat@...gle.com> To: linux-block@...r.kernel.org, linux-scsi@...r.kernel.org, linux-fscrypt@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org Cc: Barani Muthukumaran <bmuthuku@....qualcomm.com>, Kuohong Wang <kuohong.wang@...iatek.com>, Kim Boojin <boojin.kim@...sung.com>, Satya Tangirala <satyat@...gle.com> Subject: [PATCH v13 09/12] fs: introduce SB_INLINECRYPT 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 <satyat@...gle.com> --- fs/proc_namespace.c | 1 + include/linux/fs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 273ee82d8aa97..8bf195d3bda69 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -49,6 +49,7 @@ static int show_sb_opts(struct seq_file *m, struct super_block *sb) { SB_DIRSYNC, ",dirsync" }, { SB_MANDLOCK, ",mand" }, { SB_LAZYTIME, ",lazytime" }, + { SB_INLINECRYPT, ",inlinecrypt" }, { 0, NULL } }; const struct proc_fs_info *fs_infop; diff --git a/include/linux/fs.h b/include/linux/fs.h index d3ebb49189df2..da6551c8d96fb 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1376,6 +1376,7 @@ 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 */ -- 2.26.2.645.ge9eca65c58-goog
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