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exfat:fixed exfat compliling failed on kernel 5.4

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fixed exfat compliling failed on kernel 5.4 , due to MS_RDONLY and
MS_NODIRATIME flag is just used for mounting, if file system need
used SB_*.

Change-Id: Icf8bb0595bd2aacefcc3bbf6bc81c48f103af6bf
Signed-off-by: yuedl1 <yuedl1@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1773673
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Dongliang Yue <yuedl1@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
yuedl1 2020-07-05 20:18:36 +08:00 • committed by Chuanchun Zhu
commit 371fad72cb
3 changed files with 23 additions and 0 deletions
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6
fs/exfat/exfat_core.c
View file

@ -1764,8 +1764,14 @@ void fs_error(struct super_block *sb)
if (opts->errors == EXFAT_ERRORS_PANIC)
panic("[EXFAT] Filesystem panic from previous error\n");
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,19,0)
else if ((opts->errors == EXFAT_ERRORS_RO) && !(sb->s_flags & MS_RDONLY)) {
sb->s_flags |= MS_RDONLY;
#else
else if ((opts->errors == EXFAT_ERRORS_RO) && !(sb->s_flags & SB_RDONLY)) {
sb->s_flags |= SB_RDONLY;
#endif
if (sbi && !sbi->disable_uevent)
schedule_work(&sbi->uevent_work);
printk(KERN_ERR "[EXFAT] Filesystem has been set read-only\n");

10
fs/exfat/exfat_super.c
View file

@ -2160,7 +2160,12 @@ static int exfat_statfs(struct dentry *dentry, struct kstatfs *buf)
static int exfat_remount(struct super_block *sb, int *flags, char *data)
{
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,19,0)
*flags |= MS_NODIRATIME;
#else
*flags |= SB_NODIRATIME;
#endif
return 0;
}
@ -2516,7 +2521,12 @@ static int exfat_fill_super(struct super_block *sb, void *data, int silent)
INIT_WORK(&sbi->uevent_work, exfat_sbi_uevent_work);
sb->s_fs_info = sbi;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,19,0)
sb->s_flags |= MS_NODIRATIME;
#else
sb->s_flags |= SB_NODIRATIME;
#endif
sb->s_magic = EXFAT_SUPER_MAGIC;
sb->s_op = &exfat_sops;
sb->s_export_op = &exfat_export_ops;

7
fs/exfat/exfat_super.h
View file

@ -126,7 +126,14 @@ static inline struct exfat_inode_info *EXFAT_I(struct inode *inode)
static inline bool exfat_readonly(struct super_block *sb)
{
#if LINUX_VERSION_CODE <= KERNEL_VERSION(4,19,0)
return sb->s_flags & MS_RDONLY;
#else
return sb->s_flags & SB_RDONLY;
#endif
}
/*