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| author | Ahmad Fatoum <ahmad@a3f.at> | 2019-08-22 08:51:01 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-08-23 09:37:59 +0200 |
| commit | fe201c695af55df51ee414f89e29558abab97437 (patch) | |
| tree | 5e3bb142563ebafe94ad4575a3bc1b127cdb57dd /include/linux/dcache.h | |
| parent | e68c3d08dccb951476d1e31a66f31c15390e4af7 (diff) | |
| download | barebox-fe201c695af55df51ee414f89e29558abab97437.tar.gz barebox-fe201c695af55df51ee414f89e29558abab97437.tar.xz | |
fs: provide no_revalidate_d_ops for network file systems
Networked file systems may wish to forego dentry caching altogether, so
every lookup goes over the network and stale data is avoided.
Provide a no_revalidate_d_ops helper object that does this.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 1581ddc701..a961942201 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -185,4 +185,6 @@ static inline struct inode *d_inode(const struct dentry *dentry) char *dpath(struct dentry *dentry, struct dentry *root); +extern const struct dentry_operations no_revalidate_d_ops; + #endif /* __LINUX_DCACHE_H */ |