*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/llite/llite_lib.c
*
#include <linux/user_namespace.h>
#include <linux/delay.h>
#include <linux/uidgid.h>
-#include <linux/security.h>
#include <linux/fs_struct.h>
#ifndef HAVE_CPUS_READ_LOCK
/* Per-filesystem file heat */
sbi->ll_heat_decay_weight = SBI_DEFAULT_HEAT_DECAY_WEIGHT;
sbi->ll_heat_period_second = SBI_DEFAULT_HEAT_PERIOD_SECOND;
+
+ /* Per-fs open heat level before requesting open lock */
+ sbi->ll_oc_thrsh_count = SBI_DEFAULT_OPENCACHE_THRESHOLD_COUNT;
+ sbi->ll_oc_max_ms = SBI_DEFAULT_OPENCACHE_THRESHOLD_MAX_MS;
+ sbi->ll_oc_thrsh_ms = SBI_DEFAULT_OPENCACHE_THRESHOLD_MS;
RETURN(sbi);
out_destroy_ra:
if (sbi->ll_foreign_symlink_prefix)
OBD_CONNECT2_PCC |
OBD_CONNECT2_CRUSH | OBD_CONNECT2_LSEEK |
OBD_CONNECT2_GETATTR_PFID |
- OBD_CONNECT2_DOM_LVB;
+ OBD_CONNECT2_DOM_LVB |
+ OBD_CONNECT2_REP_MBITS;
#ifdef HAVE_LRU_RESIZE_SUPPORT
if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
*/
sb->s_flags |= SB_NOSEC;
#endif
-
- if (sbi->ll_flags & LL_SBI_FLOCK)
- sbi->ll_fop = &ll_file_operations_flock;
- else if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
- sbi->ll_fop = &ll_file_operations;
- else
- sbi->ll_fop = &ll_file_operations_noflock;
+ sbi->ll_fop = ll_select_file_operations(sbi);
/* always ping even if server suppress_pings */
if (sbi->ll_flags & LL_SBI_ALWAYS_PING)
OBD_CONNECT_BULK_MBITS | OBD_CONNECT_SHORTIO |
OBD_CONNECT_FLAGS2 | OBD_CONNECT_GRANT_SHRINK;
data->ocd_connect_flags2 = OBD_CONNECT2_LOCKAHEAD |
- OBD_CONNECT2_INC_XID | OBD_CONNECT2_LSEEK;
+ OBD_CONNECT2_INC_XID | OBD_CONNECT2_LSEEK |
+ OBD_CONNECT2_REP_MBITS;
if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_GRANT_PARAM))
data->ocd_connect_flags |= OBD_CONNECT_GRANT_PARAM;
CDEBUG(D_VFSTRACE, "VFS Op: cfg_instance %s-%016lx (sb %p)\n",
profilenm, cfg_instance, sb);
+ OBD_RACE(OBD_FAIL_LLITE_RACE_MOUNT);
+
OBD_ALLOC_PTR(cfg);
if (cfg == NULL)
GOTO(out_free_cfg, err = -ENOMEM);
}
up_write(&lli->lli_lsm_sem);
}
- } else if (lli->lli_default_lsm_md) {
- /* update default lsm if it changes */
+ return;
+ }
+
+ if (lli->lli_default_lsm_md) {
+ /* do nonthing if default lsm isn't changed */
down_read(&lli->lli_lsm_sem);
if (lli->lli_default_lsm_md &&
- !lsm_md_eq(lli->lli_default_lsm_md, md->default_lmv)) {
- up_read(&lli->lli_lsm_sem);
- down_write(&lli->lli_lsm_sem);
- if (lli->lli_default_lsm_md)
- lmv_free_memmd(lli->lli_default_lsm_md);
- lli->lli_default_lsm_md = md->default_lmv;
- lsm_md_dump(D_INODE, md->default_lmv);
- md->default_lmv = NULL;
- up_write(&lli->lli_lsm_sem);
- } else {
+ lsm_md_eq(lli->lli_default_lsm_md, md->default_lmv)) {
up_read(&lli->lli_lsm_sem);
+ return;
}
- } else {
- /* init default lsm */
- down_write(&lli->lli_lsm_sem);
- lli->lli_default_lsm_md = md->default_lmv;
- lsm_md_dump(D_INODE, md->default_lmv);
- md->default_lmv = NULL;
- up_write(&lli->lli_lsm_sem);
+ up_read(&lli->lli_lsm_sem);
}
+
+ down_write(&lli->lli_lsm_sem);
+ if (lli->lli_default_lsm_md)
+ lmv_free_memmd(lli->lli_default_lsm_md);
+ lli->lli_default_lsm_md = md->default_lmv;
+ lsm_md_dump(D_INODE, md->default_lmv);
+ md->default_lmv = NULL;
+ up_write(&lli->lli_lsm_sem);
}
static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md)
/* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
if (attr->ia_valid & TIMES_SET_FLAGS) {
if ((!uid_eq(current_fsuid(), inode->i_uid)) &&
- !cfs_capable(CAP_FOWNER))
+ !capable(CAP_FOWNER))
RETURN(-EPERM);
}
*/
xvalid |= OP_XVALID_OWNEROVERRIDE;
op_data->op_bias |= MDS_DATA_MODIFIED;
- ll_file_clear_flag(lli, LLIF_DATA_MODIFIED);
+ clear_bit(LLIF_DATA_MODIFIED, &lli->lli_flags);
}
if (attr->ia_valid & ATTR_FILE) {
* LLIF_DATA_MODIFIED is not set(see vvp_io_setattr_fini()).
* This way we can save an RPC for common open + trunc
* operation. */
- if (ll_file_test_and_clear_flag(lli, LLIF_DATA_MODIFIED)) {
+ if (test_and_clear_bit(LLIF_DATA_MODIFIED, &lli->lli_flags)) {
struct hsm_state_set hss = {
.hss_valid = HSS_SETMASK,
.hss_setmask = HS_DIRTY,
ext_flags |= ll_inode_to_ext_flags(inode->i_flags) & LUSTRE_ENCRYPT_FL;
inode->i_flags = ll_ext_to_inode_flags(ext_flags);
if (ext_flags & LUSTRE_PROJINHERIT_FL)
- ll_file_set_flag(ll_i2info(inode), LLIF_PROJECT_INHERIT);
+ set_bit(LLIF_PROJECT_INHERIT, &ll_i2info(inode)->lli_flags);
else
- ll_file_clear_flag(ll_i2info(inode), LLIF_PROJECT_INHERIT);
+ clear_bit(LLIF_PROJECT_INHERIT, &ll_i2info(inode)->lli_flags);
}
int ll_update_inode(struct inode *inode, struct lustre_md *md)
* glimpsing updated attrs
*/
if (body->mbo_t_state & MS_RESTORE)
- ll_file_set_flag(lli, LLIF_FILE_RESTORING);
+ set_bit(LLIF_FILE_RESTORING, &lli->lli_flags);
else
- ll_file_clear_flag(lli, LLIF_FILE_RESTORING);
+ clear_bit(LLIF_FILE_RESTORING, &lli->lli_flags);
}
return 0;
}
+void ll_truncate_inode_pages_final(struct inode *inode)
+{
+ struct address_space *mapping = &inode->i_data;
+ unsigned long nrpages;
+ unsigned long flags;
+
+ truncate_inode_pages_final(mapping);
+
+ /* Workaround for LU-118: Note nrpages may not be totally updated when
+ * truncate_inode_pages() returns, as there can be a page in the process
+ * of deletion (inside __delete_from_page_cache()) in the specified
+ * range. Thus mapping->nrpages can be non-zero when this function
+ * returns even after truncation of the whole mapping. Only do this if
+ * npages isn't already zero.
+ */
+ nrpages = mapping->nrpages;
+ if (nrpages) {
+ ll_xa_lock_irqsave(&mapping->i_pages, flags);
+ nrpages = mapping->nrpages;
+ ll_xa_unlock_irqrestore(&mapping->i_pages, flags);
+ } /* Workaround end */
+
+ LASSERTF(nrpages == 0, "%s: inode="DFID"(%p) nrpages=%lu, "
+ "see https://jira.whamcloud.com/browse/LU-118\n",
+ ll_i2sbi(inode)->ll_fsname,
+ PFID(ll_inode2fid(inode)), inode, nrpages);
+}
+
int ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
void ll_delete_inode(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
- struct address_space *mapping = &inode->i_data;
- unsigned long nrpages;
- unsigned long flags;
-
ENTRY;
if (S_ISREG(inode->i_mode) && lli->lli_clob != NULL) {
cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, inode->i_nlink ?
CL_FSYNC_LOCAL : CL_FSYNC_DISCARD, 1);
}
- truncate_inode_pages_final(mapping);
-
- /* Workaround for LU-118: Note nrpages may not be totally updated when
- * truncate_inode_pages() returns, as there can be a page in the process
- * of deletion (inside __delete_from_page_cache()) in the specified
- * range. Thus mapping->nrpages can be non-zero when this function
- * returns even after truncation of the whole mapping. Only do this if
- * npages isn't already zero.
- */
- nrpages = mapping->nrpages;
- if (nrpages) {
- ll_xa_lock_irqsave(&mapping->i_pages, flags);
- nrpages = mapping->nrpages;
- ll_xa_unlock_irqrestore(&mapping->i_pages, flags);
- } /* Workaround end */
-
- LASSERTF(nrpages == 0, "%s: inode="DFID"(%p) nrpages=%lu, "
- "see https://jira.whamcloud.com/browse/LU-118\n",
- ll_i2sbi(inode)->ll_fsname,
- PFID(ll_inode2fid(inode)), inode, nrpages);
+ ll_truncate_inode_pages_final(inode);
ll_clear_inode(inode);
clear_inode(inode);
void ll_finish_md_op_data(struct md_op_data *op_data)
{
ll_unlock_md_op_lsm(op_data);
- security_release_secctx(op_data->op_file_secctx,
- op_data->op_file_secctx_size);
+ ll_security_release_secctx(op_data->op_file_secctx,
+ op_data->op_file_secctx_size);
llcrypt_free_ctx(op_data->op_file_encctx, op_data->op_file_encctx_size);
OBD_FREE_PTR(op_data);
}
struct obd_device *obd;
ENTRY;
- if (cmd == OBD_IOC_GETDTNAME)
+ if (cmd == OBD_IOC_GETNAME_OLD || cmd == OBD_IOC_GETDTNAME)
obd = class_exp2obd(sbi->ll_dt_exp);
else if (cmd == OBD_IOC_GETMDNAME)
obd = class_exp2obd(sbi->ll_md_exp);
ENTRY;
- if (!cfs_capable(CAP_DAC_READ_SEARCH) &&
+ if (!capable(CAP_DAC_READ_SEARCH) &&
!(ll_i2sbi(inode)->ll_flags & LL_SBI_USER_FID2PATH))
RETURN(-EPERM);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff