diff options
Diffstat (limited to 'fs/gfs2')
-rw-r--r-- | fs/gfs2/glock.c | 34 | ||||
-rw-r--r-- | fs/gfs2/glock.h | 27 | ||||
-rw-r--r-- | fs/gfs2/incore.h | 4 | ||||
-rw-r--r-- | fs/gfs2/trans.c | 32 | ||||
-rw-r--r-- | fs/gfs2/trans.h | 8 |
5 files changed, 52 insertions, 53 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 81b0681..6a1b42c 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -16,6 +16,7 @@ #include <linux/sort.h> #include <linux/jhash.h> #include <linux/kref.h> +#include <linux/kallsyms.h> #include <linux/gfs2_ondisk.h> #include <asm/semaphore.h> #include <asm/uaccess.h> @@ -357,6 +358,7 @@ void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state, int flags, { INIT_LIST_HEAD(&gh->gh_list); gh->gh_gl = gl; + gh->gh_ip = (unsigned long)__builtin_return_address(0); gh->gh_owner = (flags & GL_NEVER_RECURSE) ? NULL : current; gh->gh_state = state; gh->gh_flags = flags; @@ -388,6 +390,7 @@ void gfs2_holder_reinit(unsigned int state, int flags, struct gfs2_holder *gh) gh->gh_flags |= GL_LOCAL_EXCL; gh->gh_iflags &= 1 << HIF_ALLOCED; + gh->gh_ip = (unsigned long)__builtin_return_address(0); } /** @@ -400,6 +403,7 @@ void gfs2_holder_uninit(struct gfs2_holder *gh) { gfs2_glock_put(gh->gh_gl); gh->gh_gl = NULL; + gh->gh_ip = 0; } /** @@ -427,7 +431,7 @@ struct gfs2_holder *gfs2_holder_get(struct gfs2_glock *gl, unsigned int state, gfs2_holder_init(gl, state, flags, gh); set_bit(HIF_ALLOCED, &gh->gh_iflags); - + gh->gh_ip = (unsigned long)__builtin_return_address(0); return gh; } @@ -1238,6 +1242,9 @@ static int recurse_check(struct gfs2_holder *existing, struct gfs2_holder *new, return 0; fail: + print_symbol(KERN_WARNING "GFS2: Existing holder from %s\n", + existing->gh_ip); + print_symbol(KERN_WARNING "GFS2: New holder from %s\n", new->gh_ip); set_bit(HIF_ABORTED, &new->gh_iflags); return -EINVAL; } @@ -1544,30 +1551,6 @@ int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time) } /** - * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock - * @gl: the glock - * @state: the state we're requesting - * @flags: the modifier flags - * @gh: the holder structure - * - * Returns: 0, GLR_*, or errno - */ - -int gfs2_glock_nq_init(struct gfs2_glock *gl, unsigned int state, int flags, - struct gfs2_holder *gh) -{ - int error; - - gfs2_holder_init(gl, state, flags, gh); - - error = gfs2_glock_nq(gh); - if (error) - gfs2_holder_uninit(gh); - - return error; -} - -/** * gfs2_glock_dq_uninit - dequeue a holder from a glock and initialize it * @gh: the holder structure * @@ -2334,6 +2317,7 @@ static int dump_holder(char *str, struct gfs2_holder *gh) if (test_bit(x, &gh->gh_iflags)) printk(" %u", x); printk(" \n"); + print_symbol(KERN_INFO " initialized at: %s\n", gh->gh_ip); error = 0; diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 06847eb..560029d 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -106,8 +106,6 @@ void gfs2_glock_force_drop(struct gfs2_glock *gl); int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time); -int gfs2_glock_nq_init(struct gfs2_glock *gl, unsigned int state, int flags, - struct gfs2_holder *gh); void gfs2_glock_dq_uninit(struct gfs2_holder *gh); int gfs2_glock_nq_num(struct gfs2_sbd *sdp, uint64_t number, struct gfs2_glock_operations *glops, @@ -121,6 +119,31 @@ void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, uint64_t number, 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 + * @state: the state we're requesting + * @flags: the modifier flags + * @gh: the holder structure + * + * Returns: 0, GLR_*, or errno + */ + +static inline int gfs2_glock_nq_init(struct gfs2_glock *gl, + unsigned int state, int flags, + struct gfs2_holder *gh) +{ + int error; + + gfs2_holder_init(gl, state, flags, gh); + + error = gfs2_glock_nq(gh); + if (error) + gfs2_holder_uninit(gh); + + return error; +} + /* Lock Value Block functions */ int gfs2_lvb_hold(struct gfs2_glock *gl); diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 35163b5..b5a994d 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -161,6 +161,7 @@ struct gfs2_holder { int gh_error; unsigned long gh_iflags; struct completion gh_wait; + unsigned long gh_ip; }; enum { @@ -353,8 +354,7 @@ struct gfs2_log_buf { }; struct gfs2_trans { - char *tr_file; - unsigned int tr_line; + unsigned long tr_ip; unsigned int tr_blocks; unsigned int tr_revokes; diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index aa1a619..3fae3d4 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -13,6 +13,7 @@ #include <linux/completion.h> #include <linux/buffer_head.h> #include <linux/gfs2_ondisk.h> +#include <linux/kallsyms.h> #include <asm/semaphore.h> #include "gfs2.h" @@ -25,24 +26,20 @@ #include "trans.h" #include "util.h" -int gfs2_trans_begin_i(struct gfs2_sbd *sdp, unsigned int blocks, - unsigned int revokes, char *file, unsigned int line) +int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, + unsigned int revokes) { struct gfs2_trans *tr; int error; - if (gfs2_assert_warn(sdp, !current->journal_info) || - gfs2_assert_warn(sdp, blocks || revokes)) { - fs_warn(sdp, "(%s, %u)\n", file, line); - return -EINVAL; - } + BUG_ON(current->journal_info); + BUG_ON(blocks == 0 && revokes == 0); tr = kzalloc(sizeof(struct gfs2_trans), GFP_NOFS); if (!tr) return -ENOMEM; - tr->tr_file = file; - tr->tr_line = line; + tr->tr_ip = (unsigned long)__builtin_return_address(0); tr->tr_blocks = blocks; tr->tr_revokes = revokes; tr->tr_reserved = 1; @@ -104,16 +101,15 @@ void gfs2_trans_end(struct gfs2_sbd *sdp) return; } - if (gfs2_assert_withdraw(sdp, tr->tr_num_buf <= tr->tr_blocks)) - fs_err(sdp, "tr_num_buf = %u, tr_blocks = %u " - "tr_file = %s, tr_line = %u\n", - tr->tr_num_buf, tr->tr_blocks, - tr->tr_file, tr->tr_line); + if (gfs2_assert_withdraw(sdp, tr->tr_num_buf <= tr->tr_blocks)) { + fs_err(sdp, "tr_num_buf = %u, tr_blocks = %u ", + tr->tr_num_buf, tr->tr_blocks); + print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip); + } if (gfs2_assert_withdraw(sdp, tr->tr_num_revoke <= tr->tr_revokes)) - fs_err(sdp, "tr_num_revoke = %u, tr_revokes = %u " - "tr_file = %s, tr_line = %u\n", - tr->tr_num_revoke, tr->tr_revokes, - tr->tr_file, tr->tr_line); + fs_err(sdp, "tr_num_revoke = %u, tr_revokes = %u ", + tr->tr_num_revoke, tr->tr_revokes); + print_symbol(KERN_WARNING "GFS2: Transaction created at: %s\n", tr->tr_ip); gfs2_log_commit(sdp, tr); diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h index f7f3e2a..6b5e9e8 100644 --- a/fs/gfs2/trans.h +++ b/fs/gfs2/trans.h @@ -21,12 +21,8 @@ #define RES_STATFS 1 #define RES_QUOTA 2 -#define gfs2_trans_begin(sdp, blocks, revokes) \ -gfs2_trans_begin_i((sdp), (blocks), (revokes), __FILE__, __LINE__) - -int gfs2_trans_begin_i(struct gfs2_sbd *sdp, - unsigned int blocks, unsigned int revokes, - char *file, unsigned int line); +int gfs2_trans_begin(struct gfs2_sbd *sdp, + unsigned int blocks, unsigned int revokes); void gfs2_trans_end(struct gfs2_sbd *sdp); |