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| author |   Sage Weil <sage@newdream.net> | 2010-05-14 13:06:30 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-05-17 15:25:41 -0700 |
| commit | 23804d91f112df09b832cd091b71af4dc2831aa8 (patch) | |
| tree | 4b77c43b47d58f08ab02220c507dabfc8f6daf7a /fs/ceph/super.c | |
| parent | ceph: cleanup pool op strings (diff) | |
| download | linux-dev-23804d91f112df09b832cd091b71af4dc2831aa8.tar.xz linux-dev-23804d91f112df09b832cd091b71af4dc2831aa8.zip | |
ceph: specify max_bytes on readdir replies
Specify max bytes in request to bound size of reply. Add associated
mount option with default value of 512 KB.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/super.c')
| -rw-r--r-- | fs/ceph/super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 7f5b20dc4945..bac13898b943 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -190,6 +190,8 @@ static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt) args->cap_release_safety); if (args->max_readdir != CEPH_MAX_READDIR_DEFAULT) seq_printf(m, ",readdir_max_entries=%d", args->max_readdir); + if (args->max_readdir_bytes != CEPH_MAX_READDIR_BYTES_DEFAULT) + seq_printf(m, ",readdir_max_bytes=%d", args->max_readdir_bytes); if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT)) seq_printf(m, ",snapdirname=%s", args->snapdir_name); if (args->name) @@ -333,6 +335,7 @@ enum { Opt_caps_wanted_delay_max, Opt_cap_release_safety, Opt_readdir_max_entries, + Opt_readdir_max_bytes, Opt_congestion_kb, Opt_last_int, /* int args above */ @@ -365,6 +368,7 @@ static match_table_t arg_tokens = { {Opt_caps_wanted_delay_max, "caps_wanted_delay_max=%d"}, {Opt_cap_release_safety, "cap_release_safety=%d"}, {Opt_readdir_max_entries, "readdir_max_entries=%d"}, + {Opt_readdir_max_bytes, "readdir_max_bytes=%d"}, {Opt_congestion_kb, "write_congestion_kb=%d"}, /* int args above */ {Opt_snapdirname, "snapdirname=%s"}, @@ -415,6 +419,7 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options, args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL); args->cap_release_safety = CEPH_CAP_RELEASE_SAFETY_DEFAULT; args->max_readdir = CEPH_MAX_READDIR_DEFAULT; + args->max_readdir_bytes = CEPH_MAX_READDIR_BYTES_DEFAULT; args->congestion_kb = default_congestion_kb(); /* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */ @@ -522,6 +527,9 @@ static struct ceph_mount_args *parse_mount_args(int flags, char *options, case Opt_readdir_max_entries: args->max_readdir = intval; break; + case Opt_readdir_max_bytes: + args->max_readdir_bytes = intval; + break; case Opt_congestion_kb: args->congestion_kb = intval; break; |