diff options
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index bd5aa136153a..03d58b2d4fa3 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -74,10 +74,11 @@ * arbitrary, since it's serialized on rename_lock */ static int sysctl_vfs_cache_pressure __read_mostly = 100; +static int sysctl_vfs_cache_pressure_denom __read_mostly = 100; unsigned long vfs_pressure_ratio(unsigned long val) { - return mult_frac(val, sysctl_vfs_cache_pressure, 100); + return mult_frac(val, sysctl_vfs_cache_pressure, sysctl_vfs_cache_pressure_denom); } EXPORT_SYMBOL_GPL(vfs_pressure_ratio); @@ -225,6 +226,14 @@ static const struct ctl_table vm_dcache_sysctls[] = { .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_ZERO, }, + { + .procname = "vfs_cache_pressure_denom", + .data = &sysctl_vfs_cache_pressure_denom, + .maxlen = sizeof(sysctl_vfs_cache_pressure_denom), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ONE_HUNDRED, + }, }; static int __init init_fs_dcache_sysctls(void) @@ -2412,7 +2421,6 @@ struct dentry *d_hash_and_lookup(struct dentry *dir, struct qstr *name) } return d_lookup(dir, name); } -EXPORT_SYMBOL(d_hash_and_lookup); /* * When a file is deleted, we have two options: |