It was just calling debugfs_create_file() so unwind things and just call the real function instead. This ends up saving a number of lines as there was never any error handling happening anyway, so that all can be removed as well. Cc: Oleg Drokin <oleg.drokin@xxxxxxxxx> Cc: Andreas Dilger <andreas.dilger@xxxxxxxxx> Cc: James Simmons <jsimmons@xxxxxxxxxxxxx> Cc: Quentin Bouget <quentin.bouget@xxxxxx> Cc: NeilBrown <neilb@xxxxxxxx> Cc: Ben Evans <bevans@xxxxxxxx> Cc: Arushi Singhal <arushisinghal19971997@xxxxxxxxx> Cc: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> Cc: "John L. Hammond" <john.hammond@xxxxxxxxx> Cc: Vitaly Fertman <vitaly.fertman@xxxxxxxxxxx> Cc: Julia Lawall <julia.lawall@xxxxxxx> Cc: Dafna Hirschfeld <dafna3@xxxxxxxxx> Cc: Mathias Rav <mathiasrav@xxxxxxxxx> Cc: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx> Cc: Bob Glosman <bob.glossman@xxxxxxxxx> Cc: lustre-devel@xxxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- .../lustre/lustre/include/lprocfs_status.h | 5 ---- .../staging/lustre/lustre/llite/lproc_llite.c | 30 ++++++------------- drivers/staging/lustre/lustre/lmv/lmv_obd.c | 7 ++--- drivers/staging/lustre/lustre/lov/lov_obd.c | 6 ++-- .../lustre/lustre/obdclass/lprocfs_status.c | 19 ++---------- drivers/staging/lustre/lustre/osc/lproc_osc.c | 9 +++--- .../lustre/lustre/ptlrpc/lproc_ptlrpc.c | 8 ++--- 7 files changed, 21 insertions(+), 63 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h index 7aafe873cb39..54abcc2eaeb6 100644 --- a/drivers/staging/lustre/lustre/include/lprocfs_status.h +++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h @@ -465,11 +465,6 @@ int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list, const struct attribute_group *attrs); int lprocfs_obd_cleanup(struct obd_device *obd); -int ldebugfs_seq_create(struct dentry *parent, - const char *name, - umode_t mode, - const struct file_operations *seq_fops, - void *data); int ldebugfs_obd_seq_create(struct obd_device *dev, const char *name, umode_t mode, diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index 2297a14f00ca..1f122f8a54dc 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -1139,7 +1139,7 @@ int ldebugfs_register_mountpoint(struct dentry *parent, struct obd_device *obd; struct dentry *dir; char name[MAX_STRING_SIZE + 1], *ptr; - int err, id, len, rc; + int err, id, len; name[MAX_STRING_SIZE] = '\0'; @@ -1165,26 +1165,14 @@ int ldebugfs_register_mountpoint(struct dentry *parent, } sbi->ll_debugfs_entry = dir; - rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "dump_page_cache", 0444, - &vvp_dump_pgcache_file_ops, sbi); - if (rc) - CWARN("Error adding the dump_page_cache file\n"); - - rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "extents_stats", 0644, - &ll_rw_extents_stats_fops, sbi); - if (rc) - CWARN("Error adding the extent_stats file\n"); - - rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, - "extents_stats_per_process", - 0644, &ll_rw_extents_stats_pp_fops, sbi); - if (rc) - CWARN("Error adding the extents_stats_per_process file\n"); - - rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "offset_stats", 0644, - &ll_rw_offset_stats_fops, sbi); - if (rc) - CWARN("Error adding the offset_stats file\n"); + debugfs_create_file("dump_page_cache", 0444, dir, sbi, + &vvp_dump_pgcache_file_ops); + debugfs_create_file("extents_stats", 0644, dir, sbi, + &ll_rw_extents_stats_fops); + debugfs_create_file("extents_stats_per_process", 0644, + dir, sbi, &ll_rw_extents_stats_pp_fops); + debugfs_create_file("offset_stats", 0644, dir, sbi, + &ll_rw_offset_stats_fops); /* File operations stats */ sbi->ll_stats = lprocfs_alloc_stats(LPROC_LL_FILE_OPCODES, diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 60cdba99e4a4..85b6e8392759 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -1264,11 +1264,8 @@ static int lmv_setup(struct obd_device *obd, struct lustre_cfg *lcfg) lprocfs_lmv_init_vars(&lvars); lprocfs_obd_setup(obd, lvars.obd_vars, lvars.sysfs_vars); - rc = ldebugfs_seq_create(obd->obd_debugfs_entry, "target_obd", - 0444, &lmv_proc_target_fops, obd); - if (rc) - CWARN("%s: error adding LMV target_obd file: rc = %d\n", - obd->obd_name, rc); + debugfs_create_file("target_obd", 0444, obd->obd_debugfs_entry, obd, + &lmv_proc_target_fops); rc = fld_client_init(&lmv->lmv_fld, obd->obd_name, LUSTRE_CLI_FLD_HASH_DHT); if (rc) { diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 7123972d4d5b..a2a5f59dfc7a 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -806,10 +806,8 @@ int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg) lprocfs_lov_init_vars(&lvars); lprocfs_obd_setup(obd, lvars.obd_vars, lvars.sysfs_vars); - rc = ldebugfs_seq_create(obd->obd_debugfs_entry, "target_obd", - 0444, &lov_proc_target_fops, obd); - if (rc) - CWARN("Error adding the target_obd file\n"); + debugfs_create_file("target_obd", 0444, obd->obd_debugfs_entry, obd, + &lov_proc_target_fops); lov->lov_pool_debugfs_entry = ldebugfs_register("pools", obd->obd_debugfs_entry, diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c index 089a3d74f3ea..6e0ea4e76a1b 100644 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c @@ -1538,29 +1538,14 @@ char *lprocfs_find_named_value(const char *buffer, const char *name, } EXPORT_SYMBOL(lprocfs_find_named_value); -int ldebugfs_seq_create(struct dentry *parent, const char *name, - umode_t mode, const struct file_operations *seq_fops, - void *data) -{ - struct dentry *entry; - - /* Disallow secretly (un)writable entries. */ - LASSERT((!seq_fops->write) == ((mode & 0222) == 0)); - - entry = debugfs_create_file(name, mode, parent, data, seq_fops); - - return 0; -} -EXPORT_SYMBOL_GPL(ldebugfs_seq_create); - int ldebugfs_obd_seq_create(struct obd_device *dev, const char *name, umode_t mode, const struct file_operations *seq_fops, void *data) { - return ldebugfs_seq_create(dev->obd_debugfs_entry, name, - mode, seq_fops, data); + debugfs_create_file(name, mode, dev->obd_debugfs_entry, data, seq_fops); + return 0; } EXPORT_SYMBOL_GPL(ldebugfs_obd_seq_create); diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index dc76c35ae801..31f49f3fca59 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -805,11 +805,10 @@ int lproc_osc_attach_seqstat(struct obd_device *dev) { int rc; - rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "osc_stats", 0644, - &osc_stats_fops, dev); - if (rc == 0) - rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644, - &osc_rpc_stats_fops, dev); + debugfs_create_file("osc_stats", 0644, dev->obd_debugfs_entry, dev, + &osc_stats_fops); + rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644, + &osc_rpc_stats_fops, dev); return rc; } diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index 6022246c4459..eb21a8dd3708 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c @@ -1099,8 +1099,6 @@ void ptlrpc_ldebugfs_register_service(struct dentry *entry, .release = lprocfs_seq_release, }; - int rc; - ptlrpc_ldebugfs_register(entry, svc->srv_name, "stats", &svc->srv_debugfs_entry, &svc->srv_stats); @@ -1110,10 +1108,8 @@ void ptlrpc_ldebugfs_register_service(struct dentry *entry, ldebugfs_add_vars(svc->srv_debugfs_entry, lproc_vars, NULL); - rc = ldebugfs_seq_create(svc->srv_debugfs_entry, "req_history", - 0400, &req_history_fops, svc); - if (rc) - CWARN("Error adding the req_history file\n"); + debugfs_create_file("req_history", 0400, svc->srv_debugfs_entry, svc, + &req_history_fops); } void ptlrpc_lprocfs_register_obd(struct obd_device *obddev) -- 2.17.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel