[LU-15401] Nesting request under ldlm lock in lmv_unpackmd()

Fri, 21 Jan 2022 16:23:27 +0000

PID: 25174  TASK: ffff92c9cc002100  CPU: 0   COMMAND: "mv"
 #0 [ffff92c9d63df568] __schedule at ffffffffb0b86cc7
 #1 [ffff92c9d63df5f0] schedule at ffffffffb0b871e9
 #2 [ffff92c9d63df600] obd_get_request_slot at ffffffffc060a254 [obdclass]
 #3 [ffff92c9d63df6b0] fld_client_rpc at ffffffffc05a03ab [fld]
 #4 [ffff92c9d63df700] fld_client_lookup at ffffffffc05a0a4c [fld]
 #5 [ffff92c9d63df780] lmv_fld_lookup at ffffffffc0908b70 [lmv]
 #6 [ffff92c9d63df7b8] lmv_unpackmd at ffffffffc08f9d36 [lmv]
 #7 [ffff92c9d63df810] mdc_get_lustre_md at ffffffffc09dd688 [mdc]
 #8 [ffff92c9d63df850] lmv_get_lustre_md at ffffffffc08f2466 [lmv]
 #9 [ffff92c9d63df888] ll_prep_inode at ffffffffc0a7d80e [lustre]
#10 [ffff92c9d63df940] ll_lookup_it at ffffffffc0a8ae03 [lustre]
#11 [ffff92c9d63dfb98] ll_lookup_nd at ffffffffc0a8d71b [lustre]
#12 [ffff92c9d63dfc30] lookup_real at ffffffffb06589e3
#13 [ffff92c9d63dfc50] __lookup_hash at ffffffffb0659402
#14 [ffff92c9d63dfc80] lookup_slow at ffffffffb0b7df6c
#15 [ffff92c9d63dfcb8] path_lookupat at ffffffffb065cffe
#16 [ffff92c9d63dfd50] filename_lookup at ffffffffb065d05b
#17 [ffff92c9d63dfd88] user_path_at_empty at ffffffffb0660d67
#18 [ffff92c9d63dfe58] user_path_at at ffffffffb0660dd1
#19 [ffff92c9d63dfe68] vfs_fstatat at ffffffffb06535c3

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[LU-15401] Nesting request under ldlm lock in lmv_unpackmd()