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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-10-17 10:33:44 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-10-29 12:23:34 +0100 |
| commit | 4e601546388e2e2968eed3b96b1ff19c4e421c31 (patch) | |
| tree | 133f70d8bbec9ab0e28e69aab970ca6e746f8f86 /include/linux/dcache.h | |
| parent | fb40e3c1cb2d5182edcd9dabfcd24e30bdf4ee25 (diff) | |
| download | barebox-4e601546388e2e2968eed3b96b1ff19c4e421c31.tar.gz barebox-4e601546388e2e2968eed3b96b1ff19c4e421c31.tar.xz | |
fs: implement d_revalidate
d_revalidate is useful when filesystems change under the hood of the
fs layer. This can happen with network filesystems or with devfs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 16244129bf..1581ddc701 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -82,6 +82,7 @@ struct dentry { }; struct dentry_operations { + int (*d_revalidate)(struct dentry *, unsigned int); }; struct dentry * d_make_root(struct inode *); @@ -93,6 +94,8 @@ void d_delete(struct dentry *); struct dentry *dget(struct dentry *); void dput(struct dentry *); +#define DCACHE_OP_REVALIDATE 0x00000004 + #define DCACHE_ENTRY_TYPE 0x00700000 #define DCACHE_MISS_TYPE 0x00000000 /* Negative dentry (maybe fallthru to nowhere) */ #define DCACHE_WHITEOUT_TYPE 0x00100000 /* Whiteout dentry (stop pathwalk) */ |