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-rw-r--r--fs/gfs2/dir.c15
-rw-r--r--fs/gfs2/dir.h21
-rw-r--r--fs/gfs2/glock.c66
-rw-r--r--fs/gfs2/glock.h4
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/ops_export.c9
-rw-r--r--fs/gfs2/ops_file.c52
-rw-r--r--fs/gfs2/super.c1
-rw-r--r--fs/gfs2/sys.c2
9 files changed, 13 insertions, 159 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 0fdcb77..0eceb05 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1198,12 +1198,11 @@ static int compare_dents(const void *a, const void *b)
*/
static int do_filldir_main(struct gfs2_inode *dip, u64 *offset,
- void *opaque, gfs2_filldir_t filldir,
+ void *opaque, filldir_t filldir,
const struct gfs2_dirent **darr, u32 entries,
int *copied)
{
const struct gfs2_dirent *dent, *dent_next;
- struct gfs2_inum_host inum;
u64 off, off_next;
unsigned int x, y;
int run = 0;
@@ -1240,11 +1239,9 @@ static int do_filldir_main(struct gfs2_inode *dip, u64 *offset,
*offset = off;
}
- gfs2_inum_in(&inum, (char *)&dent->de_inum);
-
error = filldir(opaque, (const char *)(dent + 1),
be16_to_cpu(dent->de_name_len),
- off, &inum,
+ off, be64_to_cpu(dent->de_inum.no_addr),
be16_to_cpu(dent->de_type));
if (error)
return 1;
@@ -1262,8 +1259,8 @@ static int do_filldir_main(struct gfs2_inode *dip, u64 *offset,
}
static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
- gfs2_filldir_t filldir, int *copied,
- unsigned *depth, u64 leaf_no)
+ filldir_t filldir, int *copied, unsigned *depth,
+ u64 leaf_no)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct buffer_head *bh;
@@ -1343,7 +1340,7 @@ out:
*/
static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
- gfs2_filldir_t filldir)
+ filldir_t filldir)
{
struct gfs2_inode *dip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
@@ -1402,7 +1399,7 @@ out:
}
int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque,
- gfs2_filldir_t filldir)
+ filldir_t filldir)
{
struct gfs2_inode *dip = GFS2_I(inode);
struct dirent_gather g;
diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index b21b336..48fe890 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -16,30 +16,13 @@ struct inode;
struct gfs2_inode;
struct gfs2_inum;
-/**
- * gfs2_filldir_t - Report a directory entry to the caller of gfs2_dir_read()
- * @opaque: opaque data used by the function
- * @name: the name of the directory entry
- * @length: the length of the name
- * @offset: the entry's offset in the directory
- * @inum: the inode number the entry points to
- * @type: the type of inode the entry points to
- *
- * Returns: 0 on success, 1 if buffer full
- */
-
-typedef int (*gfs2_filldir_t) (void *opaque,
- const char *name, unsigned int length,
- u64 offset,
- struct gfs2_inum_host *inum, unsigned int type);
-
int gfs2_dir_search(struct inode *dir, const struct qstr *filename,
struct gfs2_inum_host *inum, unsigned int *type);
int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
const struct gfs2_inum_host *inum, unsigned int type);
int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *filename);
-int gfs2_dir_read(struct inode *inode, u64 * offset, void *opaque,
- gfs2_filldir_t filldir);
+int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque,
+ filldir_t filldir);
int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
struct gfs2_inum_host *new_inum, unsigned int new_type);
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 4381469..fb1960b 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -971,8 +971,6 @@ static void drop_bh(struct gfs2_glock *gl, unsigned int ret)
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_holder *gh = gl->gl_req_gh;
- clear_bit(GLF_PREFETCH, &gl->gl_flags);
-
gfs2_assert_warn(sdp, test_bit(GLF_LOCK, &gl->gl_flags));
gfs2_assert_warn(sdp, queue_empty(gl, &gl->gl_holders));
gfs2_assert_warn(sdp, !ret);
@@ -1227,8 +1225,6 @@ restart:
}
}
- clear_bit(GLF_PREFETCH, &gl->gl_flags);
-
return error;
}
@@ -1320,36 +1316,6 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
spin_unlock(&gl->gl_spin);
}
-/**
- * gfs2_glock_prefetch - Try to prefetch a glock
- * @gl: the glock
- * @state: the state to prefetch in
- * @flags: flags passed to go_xmote_th()
- *
- */
-
-static void gfs2_glock_prefetch(struct gfs2_glock *gl, unsigned int state,
- int flags)
-{
- const struct gfs2_glock_operations *glops = gl->gl_ops;
-
- spin_lock(&gl->gl_spin);
-
- if (test_bit(GLF_LOCK, &gl->gl_flags) || !list_empty(&gl->gl_holders) ||
- !list_empty(&gl->gl_waiters1) || !list_empty(&gl->gl_waiters2) ||
- !list_empty(&gl->gl_waiters3) ||
- relaxed_state_ok(gl->gl_state, state, flags)) {
- spin_unlock(&gl->gl_spin);
- return;
- }
-
- set_bit(GLF_PREFETCH, &gl->gl_flags);
- set_bit(GLF_LOCK, &gl->gl_flags);
- spin_unlock(&gl->gl_spin);
-
- glops->go_xmote_th(gl, state, flags);
-}
-
static void greedy_work(struct work_struct *work)
{
struct greedy *gr = container_of(work, struct greedy, gr_work.work);
@@ -1618,34 +1584,6 @@ void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs)
}
/**
- * gfs2_glock_prefetch_num - prefetch a glock based on lock number
- * @sdp: the filesystem
- * @number: the lock number
- * @glops: the glock operations for the type of glock
- * @state: the state to acquire the glock in
- * @flags: modifier flags for the aquisition
- *
- * Returns: errno
- */
-
-void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, u64 number,
- const struct gfs2_glock_operations *glops,
- unsigned int state, int flags)
-{
- struct gfs2_glock *gl;
- int error;
-
- if (atomic_read(&sdp->sd_reclaim_count) <
- gfs2_tune_get(sdp, gt_reclaim_limit)) {
- error = gfs2_glock_get(sdp, number, glops, CREATE, &gl);
- if (!error) {
- gfs2_glock_prefetch(gl, state, flags);
- gfs2_glock_put(gl);
- }
- }
-}
-
-/**
* gfs2_lvb_hold - attach a LVB from a glock
* @gl: The glock in question
*
@@ -1781,15 +1719,11 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data)
static int demote_ok(struct gfs2_glock *gl)
{
- struct gfs2_sbd *sdp = gl->gl_sbd;
const struct gfs2_glock_operations *glops = gl->gl_ops;
int demote = 1;
if (test_bit(GLF_STICKY, &gl->gl_flags))
demote = 0;
- else if (test_bit(GLF_PREFETCH, &gl->gl_flags))
- demote = time_after_eq(jiffies, gl->gl_stamp +
- gfs2_tune_get(sdp, gt_prefetch_secs) * HZ);
else if (glops->go_demote_ok)
demote = glops->go_demote_ok(gl);
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index fb39108..bde02a7 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -103,10 +103,6 @@ int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs);
-void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, u64 number,
- const struct gfs2_glock_operations *glops,
- unsigned int state, int flags);
-
/**
* gfs2_glock_nq_init - intialize a holder and enqueue it on a glock
* @gl: the glock
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 734421e..8075870 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -147,7 +147,6 @@ struct gfs2_holder {
enum {
GLF_LOCK = 1,
GLF_STICKY = 2,
- GLF_PREFETCH = 3,
GLF_DIRTY = 5,
GLF_SKIP_WAITERS2 = 6,
GLF_GREEDY = 7,
@@ -425,7 +424,6 @@ struct gfs2_tune {
unsigned int gt_complain_secs;
unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */
unsigned int gt_entries_per_readdir;
- unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */
unsigned int gt_greedy_default;
unsigned int gt_greedy_quantum;
unsigned int gt_greedy_max;
diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c
index 6ea979c..fbf5506 100644
--- a/fs/gfs2/ops_export.c
+++ b/fs/gfs2/ops_export.c
@@ -113,13 +113,12 @@ struct get_name_filldir {
char *name;
};
-static int get_name_filldir(void *opaque, const char *name, unsigned int length,
- u64 offset, struct gfs2_inum_host *inum,
- unsigned int type)
+static int get_name_filldir(void *opaque, const char *name, int length,
+ loff_t offset, u64 inum, unsigned int type)
{
- struct get_name_filldir *gnfd = (struct get_name_filldir *)opaque;
+ struct get_name_filldir *gnfd = opaque;
- if (!gfs2_inum_equal(inum, &gnfd->inum))
+ if (inum != gnfd->inum.no_addr)
return 0;
memcpy(gnfd->name, name, length);
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index faa07e4..c996aa7 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -43,15 +43,6 @@
#include "util.h"
#include "eaops.h"
-/* For regular, non-NFS */
-struct filldir_reg {
- struct gfs2_sbd *fdr_sbd;
- int fdr_prefetch;
-
- filldir_t fdr_filldir;
- void *fdr_opaque;
-};
-
/*
* Most fields left uninitialised to catch anybody who tries to
* use them. f_flags set to prevent file_accessed() from touching
@@ -128,41 +119,6 @@ static loff_t gfs2_llseek(struct file *file, loff_t offset, int origin)
}
/**
- * filldir_func - Report a directory entry to the caller of gfs2_dir_read()
- * @opaque: opaque data used by the function
- * @name: the name of the directory entry
- * @length: the length of the name
- * @offset: the entry's offset in the directory
- * @inum: the inode number the entry points to
- * @type: the type of inode the entry points to
- *
- * Returns: 0 on success, 1 if buffer full
- */
-
-static int filldir_func(void *opaque, const char *name, unsigned int length,
- u64 offset, struct gfs2_inum_host *inum,
- unsigned int type)
-{
- struct filldir_reg *fdr = (struct filldir_reg *)opaque;
- struct gfs2_sbd *sdp = fdr->fdr_sbd;
- int error;
-
- error = fdr->fdr_filldir(fdr->fdr_opaque, name, length, offset,
- inum->no_addr, type);
- if (error)
- return 1;
-
- if (fdr->fdr_prefetch && !(length == 1 && *name == '.')) {
- gfs2_glock_prefetch_num(sdp, inum->no_addr, &gfs2_inode_glops,
- LM_ST_SHARED, LM_FLAG_TRY | LM_FLAG_ANY);
- gfs2_glock_prefetch_num(sdp, inum->no_addr, &gfs2_iopen_glops,
- LM_ST_SHARED, LM_FLAG_TRY);
- }
-
- return 0;
-}
-
-/**
* gfs2_readdir - Read directory entries from a directory
* @file: The directory to read from
* @dirent: Buffer for dirents
@@ -175,16 +131,10 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir)
{
struct inode *dir = file->f_mapping->host;
struct gfs2_inode *dip = GFS2_I(dir);
- struct filldir_reg fdr;
struct gfs2_holder d_gh;
u64 offset = file->f_pos;
int error;
- fdr.fdr_sbd = GFS2_SB(dir);
- fdr.fdr_prefetch = 1;
- fdr.fdr_filldir = filldir;
- fdr.fdr_opaque = dirent;
-
gfs2_holder_init(dip->i_gl, LM_ST_SHARED, GL_ATIME, &d_gh);
error = gfs2_glock_nq_atime(&d_gh);
if (error) {
@@ -192,7 +142,7 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir)
return error;
}
- error = gfs2_dir_read(dir, &offset, &fdr, filldir_func);
+ error = gfs2_dir_read(dir, &offset, dirent, filldir);
gfs2_glock_dq_uninit(&d_gh);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 43a24f2..100852a 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -78,7 +78,6 @@ void gfs2_tune_init(struct gfs2_tune *gt)
gt->gt_complain_secs = 10;
gt->gt_reclaim_limit = 5000;
gt->gt_entries_per_readdir = 32;
- gt->gt_prefetch_secs = 10;
gt->gt_greedy_default = HZ / 10;
gt->gt_greedy_quantum = HZ / 40;
gt->gt_greedy_max = HZ / 4;
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 983eaf1..cd28f08 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -436,7 +436,6 @@ TUNE_ATTR(atime_quantum, 0);
TUNE_ATTR(max_readahead, 0);
TUNE_ATTR(complain_secs, 0);
TUNE_ATTR(reclaim_limit, 0);
-TUNE_ATTR(prefetch_secs, 0);
TUNE_ATTR(statfs_slow, 0);
TUNE_ATTR(new_files_jdata, 0);
TUNE_ATTR(new_files_directio, 0);
@@ -465,7 +464,6 @@ static struct attribute *tune_attrs[] = {
&tune_attr_max_readahead.attr,
&tune_attr_complain_secs.attr,
&tune_attr_reclaim_limit.attr,
- &tune_attr_prefetch_secs.attr,
&tune_attr_statfs_slow.attr,
&tune_attr_quota_simul_sync.attr,
&tune_attr_quota_cache_secs.attr,
generated by cgit v1.1 at 2024-12-27 12:44:16 +0000