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| author | Suraj Das <surajdazz@gmail.com> | 2017-06-25 19:07:06 +0530 |
|---|---|---|
| committer | Suraj Das <surajdazz@gmail.com> | 2017-06-25 19:15:40 +0530 |
| commit | 6e033ebda94e620277a569625745cf21c749efdb (patch) | |
| tree | 641e80dabecde9fd9108b654bf43828d78632509 /include/linux/fs.h | |
| parent | fa097959467283e96988ba548a20ccb3ec27c0c1 (diff) | |
| parent | 262196005747d5e8b4106e92adae3749e8686240 (diff) | |
Merge branch 'cm-14.1' of https://github.com/LineageOS/android_kernel_oneplus_msm8974 into n7.1HEADn7.1
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index b35e178b077..93aea6db689 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -528,6 +528,12 @@ struct iattr { */ #include <linux/quota.h> +/* + * Maximum number of layers of fs stack. Needs to be limited to + * prevent kernel stack overflow + */ +#define FILESYSTEM_MAX_STACK_DEPTH 2 + /** * enum positive_aop_returns - aop return codes with specific semantics * @@ -1547,6 +1553,11 @@ struct super_block { /* Being remounted read-only */ int s_readonly_remount; + + /* + * Indicates how deep in a filesystem stack this SB is + */ + int s_stack_depth; }; /* superblock cache pruning functions */ |